Vulnerabilities > CVE-2020-12108 - Injection vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
HIGH Availability impact
NONE Summary
/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.
Vulnerable Configurations
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.
- Server Side Include (SSI) Injection An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
- Cross Site Scripting through Log Files An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
- Command Line Execution through SQL Injection An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.
- Subverting Environment Variable Values The attacker directly or indirectly modifies environment variables used by or controlling the target software. The attacker's goal is to cause the target software to deviate from its expected operation in a manner that benefits the attacker.
Nessus
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-4354-1.NASL description It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary content in the login page. 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 2020-05-15 modified 2020-05-12 plugin id 136493 published 2020-05-12 reporter Ubuntu Security Notice (C) 2020 Canonical, Inc. / NASL script (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136493 title Ubuntu 16.04 LTS / 18.04 LTS : mailman vulnerability (USN-4354-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-4354-1. The text # itself is copyright (C) Canonical, Inc. See # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered # trademark of Canonical, Inc. # include("compat.inc"); if (description) { script_id(136493); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/14"); script_cve_id("CVE-2020-12108"); script_xref(name:"USN", value:"4354-1"); script_name(english:"Ubuntu 16.04 LTS / 18.04 LTS : mailman vulnerability (USN-4354-1)"); script_summary(english:"Checks dpkg output for updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Ubuntu host is missing a security-related patch." ); script_set_attribute( attribute:"description", value: "It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary content in the login page. 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." ); script_set_attribute( attribute:"see_also", value:"https://usn.ubuntu.com/4354-1/" ); script_set_attribute( attribute:"solution", value:"Update the affected mailman package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:mailman"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/06"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/11"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/12"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2020 Canonical, Inc. / NASL script (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Ubuntu Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("ubuntu.inc"); include("misc_func.inc"); if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/Ubuntu/release"); if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu"); release = chomp(release); if (! preg(pattern:"^(16\.04|18\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04 / 18.04", "Ubuntu " + release); if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu); flag = 0; if (ubuntu_check(osver:"16.04", pkgname:"mailman", pkgver:"1:2.1.20-1ubuntu0.5")) flag++; if (ubuntu_check(osver:"18.04", pkgname:"mailman", pkgver:"1:2.1.26-1ubuntu0.2")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : ubuntu_report_get() ); exit(0); } else { tested = ubuntu_pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "mailman"); }
NASL family SuSE Local Security Checks NASL id OPENSUSE-2020-661.NASL description This update for mailman fixes the following issues : Security issue fixed : - CVE-2020-12108: Fixed a content injection bug (boo#1171363). Non-security issue fixed : - Don last seen 2020-05-22 modified 2020-05-18 plugin id 136691 published 2020-05-18 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136691 title openSUSE Security Update : mailman (openSUSE-2020-661) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2020-661. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(136691); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/21"); script_cve_id("CVE-2020-12108"); script_name(english:"openSUSE Security Update : mailman (openSUSE-2020-661)"); script_summary(english:"Check for the openSUSE-2020-661 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This update for mailman fixes the following issues : Security issue fixed : - CVE-2020-12108: Fixed a content injection bug (boo#1171363). Non-security issue fixed : - Don't default to invalid hosts for DEFAULT_EMAIL_HOST (boo#682920)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1171363" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=682920" ); script_set_attribute( attribute:"solution", value:"Update the affected mailman packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:mailman"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:mailman-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:mailman-debugsource"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/06"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/15"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/18"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE"); if (release !~ "^(SUSE15\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE15.1", reference:"mailman-2.1.29-lp151.3.11.1") ) flag++; if ( rpm_check(release:"SUSE15.1", reference:"mailman-debuginfo-2.1.29-lp151.3.11.1") ) flag++; if ( rpm_check(release:"SUSE15.1", reference:"mailman-debugsource-2.1.29-lp151.3.11.1") ) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "mailman / mailman-debuginfo / mailman-debugsource"); }
NASL family Debian Local Security Checks NASL id DEBIAN_DLA-2204.NASL description It was discovered that there was an arbitrary content injection vulnerability in the Mailman mailing list manager. For Debian 8 last seen 2020-05-15 modified 2020-05-08 plugin id 136412 published 2020-05-08 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136412 title Debian DLA-2204-1 : mailman security update code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DLA-2204-1. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(136412); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/13"); script_cve_id("CVE-2020-12108"); script_name(english:"Debian DLA-2204-1 : mailman security update"); script_summary(english:"Checks dpkg output for the updated package."); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security update." ); script_set_attribute( attribute:"description", value: "It was discovered that there was an arbitrary content injection vulnerability in the Mailman mailing list manager. For Debian 8 'Jessie', this issue has been fixed in mailman version 1:2.1.18-2+deb8u6. We recommend that you upgrade your mailman packages. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2020/05/msg00007.html" ); script_set_attribute( attribute:"see_also", value:"https://packages.debian.org/source/jessie/mailman" ); script_set_attribute( attribute:"solution", value:"Upgrade the affected mailman package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mailman"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/06"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/07"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/08"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Debian Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l"); exit(0); } include("audit.inc"); include("debian_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian"); if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (deb_check(release:"8.0", prefix:"mailman", reference:"1:2.1.18-2+deb8u6")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family SuSE Local Security Checks NASL id SUSE_SU-2020-1301-1.NASL description This update for mailman fixes the following issues : Security issue fixed : CVE-2020-12108: Fixed a content injection bug (bsc#1171363). CVE-2020-12137: Fixed a XSS vulnerability caused by MIME type confusion (bsc#1170558). Non-security issue fixed : Fixed rights and ownership on /var/lib/mailman/archives (bsc#1167068). Don last seen 2020-05-31 modified 2020-05-22 plugin id 136794 published 2020-05-22 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136794 title SUSE SLES12 Security Update : mailman (SUSE-SU-2020:1301-1)
References
- https://mail.python.org/pipermail/mailman-announce/
- https://bugs.launchpad.net/mailman/+bug/1873722
- https://code.launchpad.net/mailman
- https://lists.debian.org/debian-lts-announce/2020/05/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00036.html
- https://usn.ubuntu.com/4354-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00003.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html
- https://www.debian.org/security/2021/dsa-4991
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74EQIVFB34Q4UYAQLCUWG55YLKAUWCHD/