Vulnerabilities > CVE-2010-4020 - Cryptographic Issues vulnerability in MIT Kerberos 5
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
LOW Integrity impact
LOW Availability impact
LOW Summary
MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 4 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Signature Spoofing by Key Recreation An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_1D193BBA03F611E0BF50001A926C7637.NASL description The MIT Kerberos team reports : MIT krb5 (releases incorrectly accepts RFC 3961 key-derivation checksums using RC4 keys when verifying AD-SIGNEDPATH and AD-KDC-ISSUED authorization data. An authenticated remote attacker that controls a legitimate service principal has a 1/256 chance of forging the AD-SIGNEDPATH signature if the TGT key is RC4, allowing it to use self-generated last seen 2020-06-01 modified 2020-06-02 plugin id 51102 published 2010-12-10 reporter This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/51102 title FreeBSD : krb5 -- RFC 3961 key-derivation checksum handling vulnerability (1d193bba-03f6-11e0-bf50-001a926c7637) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2010-0925.NASL description Updated krb5 packages that fix multiple security issues and one bug are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC). Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication or authorization mechanisms and escalate their privileges. (CVE-2010-1323, CVE-2010-1324, CVE-2010-4020) Red Hat would like to thank the MIT Kerberos Team for reporting these issues. This update also fixes the following bug : * When attempting to perform PKINIT pre-authentication, if the client had more than one possible candidate certificate the client could fail to select the certificate and key to use. This usually occurred if certificate selection was configured to use the value of the keyUsage extension, or if any of the candidate certificates did not contain a subjectAltName extension. Consequently, the client attempted to perform pre-authentication using a different (usually password-based) mechanism. (BZ#644825) All krb5 users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically. last seen 2020-06-01 modified 2020-06-02 plugin id 50852 published 2010-12-01 reporter This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/50852 title RHEL 6 : krb5 (RHSA-2010:0925) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-1030-1.NASL description It was discovered that Kerberos did not properly determine the acceptability of certain checksums. A remote attacker could use certain checksums to alter the prompt message, modify a response to a Key Distribution Center (KDC) or forge a KRB-SAFE message. (CVE-2010-1323) It was discovered that Kerberos did not properly determine the acceptability of certain checksums. A remote attacker could use certain checksums to forge GSS tokens or gain privileges. This issue only affected Ubuntu 9.10, 10.04 LTS and 10.10. (CVE-2010-1324) It was discovered that Kerberos did not reject RC4 key-derivation checksums. An authenticated remote user could use this issue to forge AD-SIGNEDPATH or AD-KDC-ISSUED signatures and possibly gain privileges. This issue only affected Ubuntu 10.04 LTS and 10.10. (CVE-2010-4020) It was discovered that Kerberos did not properly restrict the use of TGT credentials for armoring TGS requests. A remote authenticated user could use this flaw to impersonate a client. This issue only affected Ubuntu 9.10. (CVE-2010-4021). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 51116 published 2010-12-10 reporter Ubuntu Security Notice (C) 2010-2019 Canonical, Inc. / NASL script (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/51116 title Ubuntu 6.06 LTS / 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : krb5 vulnerabilities (USN-1030-1) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2010-0926.NASL description Updated krb5 packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC). Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication mechanisms in certain configurations using Single-use Authentication Mechanisms. (CVE-2010-1323) Red Hat would like to thank the MIT Kerberos Team for reporting these issues. All krb5 users should upgrade to these updated packages, which contain a backported patch to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically. last seen 2020-06-01 modified 2020-06-02 plugin id 50853 published 2010-12-01 reporter This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/50853 title RHEL 4 / 5 : krb5 (RHSA-2010:0926) NASL family SuSE Local Security Checks NASL id SUSE_11_2_KRB5-101201.NASL description Multiple remote vulnerabilities in the MIT krb5 package have been fixed. They affect client as well as server software. CVE-2010-1323, CVE-2010-1324,CVE-2010-4020 and CVE-2010-4021 have been assigned to this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 53742 published 2011-05-05 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53742 title openSUSE Security Update : krb5 (openSUSE-SU-2010:1053-1) NASL family SuSE Local Security Checks NASL id SUSE_11_3_KRB5-101201.NASL description Multiple remote vulnerabilities in the MIT krb5 package have been fixed. They affect client as well as server software. CVE-2010-1323, CVE-2010-1324,CVE-2010-4020 and CVE-2010-4021 have been assigned to this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 75559 published 2014-06-13 reporter This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/75559 title openSUSE Security Update : krb5 (openSUSE-SU-2010:1053-1) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2010-0926.NASL description From Red Hat Security Advisory 2010:0926 : Updated krb5 packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC). Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication mechanisms in certain configurations using Single-use Authentication Mechanisms. (CVE-2010-1323) Red Hat would like to thank the MIT Kerberos Team for reporting these issues. All krb5 users should upgrade to these updated packages, which contain a backported patch to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically. last seen 2020-06-01 modified 2020-06-02 plugin id 68152 published 2013-07-12 reporter This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/68152 title Oracle Linux 4 / 5 : krb5 (ELSA-2010-0926) NASL family Misc. NASL id VMWARE_VMSA-2011-0007_REMOTE.NASL description The remote VMware ESX / ESXi host is missing a security-related patch. It is, therefore, affected by multiple vulnerabilities : - Multiple forgery vulnerabilities exist in the bundled version of MIT Kerberos 5 (krb5). An attacker can exploit these issues to impersonate a client, escalate privileges, and disclose sensitive information. (CVE-2010-1323, CVE-2010-1324, CVE-2010-4020, CVE-2010-4021) - A local arbitrary code execution vulnerability exists in the Kernel in the do_anonymous_page() function due to improper separation of the stack and the heap. A local attacker can exploit this vulnerability to execute arbitrary code. (CVE-2010-2240) - A denial of service vulnerability exists that allows a remote attacker to exhaust available sockets, preventing further connections. (CVE-2011-1785) - A denial of service vulnerability exists in the bundled version of lsassd in Likewise Open. A remote attacker can exploit this, via an Active Directory login attempt that provides a username containing an invalid byte sequence, to cause a daemon crash. (CVE-2011-1786) last seen 2020-06-01 modified 2020-06-02 plugin id 89676 published 2016-03-04 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/89676 title VMware ESX / ESXi Multiple Vulnerabilities (VMSA-2011-0007) (remote check) NASL family VMware ESX Local Security Checks NASL id VMWARE_VMSA-2011-0007.NASL description a. ESX/ESXi Socket Exhaustion By sending malicious network traffic to an ESXi or ESX host an attacker could exhaust the available sockets which would prevent further connections to the host. In the event a host becomes inaccessible its virtual machines will continue to run and have network connectivity but a reboot of the ESXi or ESX host may be required in order to be able to connect to the host again. ESXi and ESX hosts may intermittently lose connectivity caused by applications that do not correctly close sockets. If this occurs an error message similar to the following may be written to the vpxa log : socket() returns -1 (Cannot allocate memory) An error message similar to the following may be written to the vmkernel logs : socreate(type=2, proto=17) failed with error 55 VMware would like to thank Jimmy Scott at inet-solutions.be for reporting this issue to us. The Common Vulnerabilities and Exposures Project (cve.mitre.org) has assigned the name CVE-2011-1785 to this issue. b. Likewise package update Updates to the vmware-esx-likewise-openldap and vmware-esx-likewise-krb5 packages address several security issues. One of the vulnerabilities is specific to Likewise while the other vulnerabilities are present in the MIT version of krb5. An incorrect assert() call in Likewise may lead to a termination of the Likewise-open lsassd service if a username with an illegal byte sequence is entered for user authentication when logging in to the Active Directory domain of the ESXi/ESX host. This would lead to a denial of service. The MIT-krb5 vulnerabilities are detailed in MITKRB5-SA-2010-007. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CVE-2011-1786 (Likewise-only issue), CVE-2010-1324, CVE-2010-1323, CVE-2010-4020, CVE-2010-4021 to these issues. c. ESX third-party update for Service Console kernel The Service Console kernel is updated to include a fix for a security issue. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2010-2240 to this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 53592 published 2011-04-29 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53592 title VMSA-2011-0007 : VMware ESXi and ESX Denial of Service and third-party updates for Likewise components and ESX Service Console NASL family Fedora Local Security Checks NASL id FEDORA_2010-18409.NASL description This update incorporates the upstream patches to correct bugs outlined in MITKRB5-SA-2010-007 (CVE-2010-1323, CVE-2010-1324, and CVE-2010-4020). Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 51083 published 2010-12-09 reporter This script is Copyright (C) 2010-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/51083 title Fedora 14 : krb5-1.8.2-7.fc14 (2010-18409) NASL family MacOS X Local Security Checks NASL id MACOSX_10_6_7.NASL description The remote host is running a version of Mac OS X 10.6.x that is prior to 10.6.7. Mac OS X 10.6.7 contains security fixes for the following products : - AirPort - Apache - AppleScript - ATS - bzip2 - CarbonCore - ClamAV - CoreText - File Quarantine - HFS - ImageIO - Image RAW - Installer - Kerberos - Kernel - Libinfo - libxml - Mailman - PHP - QuickLook - QuickTime - Ruby - Samba - Subversion - Terminal - X11 last seen 2020-06-01 modified 2020-06-02 plugin id 52754 published 2011-03-22 reporter This script is Copyright (C) 2011-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/52754 title Mac OS X 10.6.x < 10.6.7 Multiple Vulnerabilities NASL family SuSE Local Security Checks NASL id SUSE_11_KRB5-101117.NASL description Multiple remote vulnerabilities in the MIT krb5 package have been fixed. They affect client as well as server software. last seen 2020-06-01 modified 2020-06-02 plugin id 50974 published 2010-12-03 reporter This script is Copyright (C) 2010-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/50974 title SuSE 11 / 11.1 Security Update : krb5 (SAT Patch Numbers 3547 / 3549) NASL family Mandriva Local Security Checks NASL id MANDRIVA_MDVSA-2010-246.NASL description Multiple vulnerabilities were discovered and corrected in krb5 : An unauthenticated remote attacker could alter a SAM-2 challenge, affecting the prompt text seen by the user or the kind of response sent to the KDC. Under some circumstances, this can negate the incremental security benefit of using a single-use authentication mechanism token. An unauthenticated remote attacker has a 1/256 chance of forging KRB-SAFE messages in an application protocol if the targeted pre-existing session uses an RC4 session key. Few application protocols use KRB-SAFE messages (CVE-2010-1323). An unauthenticated remote attacker can forge GSS tokens that are intended to be integrity-protected but unencrypted, if the targeted pre-existing application session uses a DES session key. An authenticated remote attacker can forge PACs if using a KDC that does not filter client-provided PAC data. This can result in privilege escalation against a service that relies on PAC contents to make authorization decisions. An unauthenticated remote attacker has a 1/256 chance of swapping a client-issued KrbFastReq into a different KDC-REQ, if the armor key is RC4. The consequences are believed to be minor (CVE-2010-1324). An authenticated remote attacker that controls a legitimate service principal has a 1/256 chance of forging the AD-SIGNEDPATH signature if the TGT key is RC4, allowing it to use self-generated evidence tickets for S4U2Proxy, instead of tickets obtained from the user or with S4U2Self. Configurations using RC4 for the TGT key are believed to be rare. An authenticated remote attacker has a 1/256 chance of forging AD-KDC-ISSUED signatures on authdata elements in tickets having an RC4 service key, resulting in privilege escalation against a service that relies on these signatures. There are no known uses of the KDC-ISSUED authdata container at this time (CVE-2010-4020. An authenticated remote attacker that controls a legitimate service principal could obtain a valid service ticket to itself containing valid KDC-generated authorization data for a client whose TGS-REQ it has intercepted. The attacker could then use this ticket for S4U2Proxy to impersonate the targeted client even if the client never authenticated to the subverted service. The vulnerable configuration is believed to be rare (CVE-2010-4021). The updated packages have been patched to correct this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 50849 published 2010-12-01 reporter This script is Copyright (C) 2010-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/50849 title Mandriva Linux Security Advisory : krb5 (MDVSA-2010:246) NASL family Solaris Local Security Checks NASL id SOLARIS11_KERBEROS_20130924_2.NASL description The remote Solaris system is missing necessary patches to address security updates : - The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client. (CVE-2010-1322) - MIT Kerberos 5 (aka krb5) 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center (KDC), or forge a KRB-SAFE message via certain checksums that (1) are unkeyed or (2) use RC4 keys. (CVE-2010-1323) - MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to forge GSS tokens, gain privileges, or have unspecified other impact via (1) an unkeyed checksum, (2) an unkeyed PAC checksum, or (3) a KrbFastArmoredReq checksum based on an RC4 key. (CVE-2010-1324) - MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations. (CVE-2010-4020) - The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a last seen 2020-06-01 modified 2020-06-02 plugin id 80653 published 2015-01-19 reporter This script is Copyright (C) 2015-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/80653 title Oracle Solaris Third-Party Patch Update : kerberos (cve_2010_1322_improper_input) NASL family SuSE Local Security Checks NASL id SUSE_11_1_KRB5-101201.NASL description Multiple remote vulnerabilities in the MIT krb5 package have been fixed. They affect client as well as server software. CVE-2010-1323, CVE-2010-1324,CVE-2010-4020 and CVE-2010-4021 have been assigned to this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 53672 published 2011-05-05 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53672 title openSUSE Security Update : krb5 (openSUSE-SU-2010:1053-1) NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2010-0926.NASL description Updated krb5 packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC). Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication mechanisms in certain configurations using Single-use Authentication Mechanisms. (CVE-2010-1323) Red Hat would like to thank the MIT Kerberos Team for reporting these issues. All krb5 users should upgrade to these updated packages, which contain a backported patch to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically. last seen 2020-06-01 modified 2020-06-02 plugin id 50863 published 2010-12-02 reporter This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/50863 title CentOS 4 / 5 : krb5 (CESA-2010:0926) NASL family Fedora Local Security Checks NASL id FEDORA_2010-18425.NASL description This update incorporates the upstream patches to correct bugs outlined in MITKRB5-SA-2010-007 (CVE-2010-1323, CVE-2010-1324, and CVE-2010-4020). Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 51099 published 2010-12-10 reporter This script is Copyright (C) 2010-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/51099 title Fedora 13 : krb5-1.7.1-16.fc13 (2010-18425) NASL family SuSE Local Security Checks NASL id SUSE_KRB5-7243.NASL description Multiple remote vulnerabilities in the MIT krb5 package have been fixed. They affect client as well as server software. last seen 2020-06-01 modified 2020-06-02 plugin id 51159 published 2010-12-14 reporter This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/51159 title SuSE 10 Security Update : krb5 (ZYPP Patch Number 7243) NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201201-13.NASL description The remote host is affected by the vulnerability described in GLSA-201201-13 (MIT Kerberos 5: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in MIT Kerberos 5. Please review the CVE identifiers referenced below for details. Impact : A remote attacker may be able to execute arbitrary code with the privileges of the administration daemon or the Key Distribution Center (KDC) daemon, cause a Denial of Service condition, or possibly obtain sensitive information. Furthermore, a remote attacker may be able to spoof Kerberos authorization, modify KDC responses, forge user data messages, forge tokens, forge signatures, impersonate a client, modify user-visible prompt text, or have other unspecified impact. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 57655 published 2012-01-24 reporter This script is Copyright (C) 2012-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/57655 title GLSA-201201-13 : MIT Kerberos 5: Multiple vulnerabilities
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References
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
- http://www.redhat.com/support/errata/RHSA-2010-0925.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
- http://osvdb.org/69608
- http://www.securityfocus.com/bid/45117
- http://secunia.com/advisories/42399
- http://www.securitytracker.com/id?1024803
- http://www.vupen.com/english/advisories/2010/3095
- http://www.vupen.com/english/advisories/2010/3118
- http://www.vupen.com/english/advisories/2010/3094
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.html
- http://www.ubuntu.com/usn/USN-1030-1
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
- http://support.apple.com/kb/HT4581
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://www.vmware.com/security/advisories/VMSA-2011-0007.html
- http://kb.vmware.com/kb/1035108
- http://lists.vmware.com/pipermail/security-announce/2011/000133.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/archive/1/517739/100/0/threaded
- http://www.securityfocus.com/archive/1/514953/100/0/threaded