Vulnerabilities > CVE-2014-9488 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
COMPLETE Integrity impact
COMPLETE Availability impact
COMPLETE Summary
The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
OS | 2 | |
Application | 5 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
- Client-side Injection-induced Buffer Overflow This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
- Filter Failure through Buffer Overflow In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
- MIME Conversion An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
Nessus
NASL family Huawei Local Security Checks NASL id EULEROS_SA-2019-2602.NASL description According to the version of the less package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.(CVE-2014-9488) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-05-08 modified 2019-12-18 plugin id 132137 published 2019-12-18 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/132137 title EulerOS 2.0 SP3 : less (EulerOS-SA-2019-2602) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2020-1238.NASL description According to the version of the less package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.(CVE-2014-9488) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-03-19 modified 2020-03-13 plugin id 134527 published 2020-03-13 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/134527 title EulerOS Virtualization for ARM 64 3.0.2.0 : less (EulerOS-SA-2020-1238) NASL family Fedora Local Security Checks NASL id FEDORA_2015-9325.NASL description better fix of out of bounds read access in is_utf8_well_formed() CVE-2014-9488 out of bounds read access in is_utf8_well_formed() CVE-2014-9488 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 2020-06-05 modified 2015-06-11 plugin id 84102 published 2015-06-11 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/84102 title Fedora 21 : less-471-4.fc21 (2015-9325) NASL family Fedora Local Security Checks NASL id FEDORA_2015-9357.NASL description better fix of out of bounds read access in is_utf8_well_formed() CVE-2014-9488 out of bounds read access in is_utf8_well_formed() CVE-2014-9488 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 2020-06-05 modified 2015-06-09 plugin id 84042 published 2015-06-09 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/84042 title Fedora 22 : less-471-4.fc22 (2015-9357) NASL family SuSE Local Security Checks NASL id OPENSUSE-2015-260.NASL description less was updated to fix one minor security issue : Malformed UTF-8 data could have caused an out of bounds read in the UTF-8 decoding routines, causing an invalid read access. (bnc#921719) (CVE-2014-9488) last seen 2020-06-05 modified 2015-03-26 plugin id 82245 published 2015-03-26 reporter This script is Copyright (C) 2015-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/82245 title openSUSE Security Update : less (openSUSE-2015-260) NASL family Mandriva Local Security Checks NASL id MANDRIVA_MDVSA-2015-199.NASL description Updated less package fixes security vulnerability : Malformed UTF-8 data could have caused an out of bounds read in the UTF-8 decoding routines, causing an invalid read access (CVE-2014-9488). last seen 2020-06-01 modified 2020-06-02 plugin id 82685 published 2015-04-10 reporter This script is Copyright (C) 2015-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/82685 title Mandriva Linux Security Advisory : less (MDVSA-2015:199) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2019-2475.NASL description According to the version of the less package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The is_utf8_well_formed function in GNU less before 475 allows remote attackers to have unspecified impact via malformed UTF-8 characters, which triggers an out-of-bounds read.(CVE-2014-9488) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-05-08 modified 2019-12-04 plugin id 131628 published 2019-12-04 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/131628 title EulerOS 2.0 SP2 : less (EulerOS-SA-2019-2475) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2019-2164.NASL description According to the version of the less package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An out of bound read, with a maximum of 5 bytes, was found in the way the is_utf8_well_formed() function parsed UTF-8 characters. If less was to be recompiled with an address sanitizer, a specially crafted input could crash less.(CVE-2014-9488) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-05-08 modified 2019-11-12 plugin id 130873 published 2019-11-12 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/130873 title EulerOS 2.0 SP5 : less (EulerOS-SA-2019-2164)
References
- http://advisories.mageia.org/MGASA-2015-0139.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159449.html
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00077.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:199
- https://blog.fuzzing-project.org/3-less-out-of-bounds-read-access-TFPA-0022014.html