Vulnerabilities > CVE-2006-3378 - Privilege Escalation vulnerability in Ubuntu Linux 5.04/5.10/6.06Lts
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
COMPLETE Integrity impact
COMPLETE Availability impact
COMPLETE Summary
passwd command in shadow in Ubuntu 5.04 through 6.06 LTS, when called with the -f, -g, or -s flag, does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
OS | 11 |
Nessus
NASL family Debian Local Security Checks NASL id DEBIAN_DSA-1150.NASL description A bug has been discovered in several packages that execute the setuid() system call without checking for success when trying to drop privileges, which may fail with some PAM configurations. last seen 2020-06-01 modified 2020-06-02 plugin id 22692 published 2006-10-14 reporter This script is Copyright (C) 2006-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/22692 title Debian DSA-1150-1 : shadow - programming error code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Debian Security Advisory DSA-1150. The text # itself is copyright (C) Software in the Public Interest, Inc. # include("compat.inc"); if (description) { script_id(22692); script_version("1.16"); script_cvs_date("Date: 2019/08/02 13:32:19"); script_cve_id("CVE-2006-3378"); script_bugtraq_id(18850); script_xref(name:"DSA", value:"1150"); script_name(english:"Debian DSA-1150-1 : shadow - programming error"); script_summary(english:"Checks dpkg output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote Debian host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "A bug has been discovered in several packages that execute the setuid() system call without checking for success when trying to drop privileges, which may fail with some PAM configurations." ); script_set_attribute( attribute:"see_also", value:"http://www.debian.org/security/2006/dsa-1150" ); script_set_attribute( attribute:"solution", value: "Upgrade the passwd package. For the stable distribution (sarge) this problem has been fixed in version 4.0.3-31sarge8." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:shadow"); script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1"); script_set_attribute(attribute:"patch_publication_date", value:"2006/08/12"); script_set_attribute(attribute:"plugin_publication_date", value:"2006/10/14"); script_set_attribute(attribute:"vuln_publication_date", value:"2006/07/05"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2006-2019 Tenable Network Security, Inc."); 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:"3.1", prefix:"login", reference:"4.0.3-31sarge8")) flag++; if (deb_check(release:"3.1", prefix:"passwd", reference:"4.0.3-31sarge8")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-308-1.NASL description Ilja van Sprundel discovered that passwd, when called with the -f, -g, or -s option, did not check the result of the setuid() call. On systems that configure PAM limits for the maximum number of user processes, a local attacker could exploit this to execute chfn, gpasswd, or chsh with root privileges. This does not affect the default configuration of Ubuntu. 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 27883 published 2007-11-10 reporter Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/27883 title Ubuntu 5.04 / 5.10 / 6.06 LTS : shadow vulnerability (USN-308-1) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-308-1. 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(27883); script_version("1.14"); script_cvs_date("Date: 2019/08/02 13:33:01"); script_cve_id("CVE-2006-3378"); script_xref(name:"USN", value:"308-1"); script_name(english:"Ubuntu 5.04 / 5.10 / 6.06 LTS : shadow vulnerability (USN-308-1)"); script_summary(english:"Checks dpkg output for updated packages."); script_set_attribute( attribute:"synopsis", value: "The remote Ubuntu host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "Ilja van Sprundel discovered that passwd, when called with the -f, -g, or -s option, did not check the result of the setuid() call. On systems that configure PAM limits for the maximum number of user processes, a local attacker could exploit this to execute chfn, gpasswd, or chsh with root privileges. This does not affect the default configuration of Ubuntu. 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/308-1/" ); script_set_attribute( attribute:"solution", value:"Update the affected login and / or passwd packages." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:login"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:passwd"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.04"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.10"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts"); script_set_attribute(attribute:"patch_publication_date", value:"2006/07/06"); script_set_attribute(attribute:"plugin_publication_date", value:"2007/11/10"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 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 (! ereg(pattern:"^(5\.04|5\.10|6\.06)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 5.04 / 5.10 / 6.06", "Ubuntu " + release); if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu); flag = 0; if (ubuntu_check(osver:"5.04", pkgname:"login", pkgver:"4.0.3-30.7ubuntu16.1")) flag++; if (ubuntu_check(osver:"5.04", pkgname:"passwd", pkgver:"1:4.0.3-30.7ubuntu16.1")) flag++; if (ubuntu_check(osver:"5.10", pkgname:"login", pkgver:"4.0.3-37ubuntu10")) flag++; if (ubuntu_check(osver:"5.10", pkgname:"passwd", pkgver:"1:4.0.3-37ubuntu10")) flag++; if (ubuntu_check(osver:"6.06", pkgname:"login", pkgver:"4.0.13-7ubuntu3.1")) flag++; if (ubuntu_check(osver:"6.06", pkgname:"passwd", pkgver:"1:4.0.13-7ubuntu3.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, 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, "login / passwd"); }
Statements
contributor | Mark J Cox |
lastmodified | 2006-08-16 |
organization | Red Hat |
statement | This issue affects the version of the passwd command from the shadow-utils package. Red Hat Enterprise Linux 2.1, 3, and 4 are not vulnerable to this issue. |