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    CVE-2010-3435

    The (1) pam_env and (2) pam_mail modules in Linux-PAM (aka pam) before 1.1.2 use root privileges during read access to files and directories that belong to arbitrary user accounts, which might allow local users to obtain sensitive information by leveraging this filesystem activity, as demonstrated by a symlink attack on the .pam_environment file in a user's home directory.

    Published:Sep 21, 2010
    Last Modified:Apr 11, 2025
    EPS:Jan 24, 2011
    EPSS Score:0.00056
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux-pam
    Product
    Linux-pam
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-54411 (CVSS 6.9) — Linux-PAM through 1.7.2 contains an observable timing discrepancy (CWE-208) in the pam_userdb module's plainte…
    CVE-2024-10041 (CVSS 4.7) — A vulnerability was found in PAM. The secret information is stored in memory, where the attacker can trigger t…
    CVE-2024-22365 (CVSS 5.5) — linux-pam (aka Linux PAM) before 1.6.0 allows attackers to cause a denial of service (blocked login process) v…
    CVE-2022-28321 (CVSS 9.8) — The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. Th…
    CVE-2020-27780 (CVSS 9.8) — A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing…
    CVE-2015-3238 (CVSS 6.5) — The _unix_run_helper_binary function in the pam_unix module in Linux-PAM (aka pam) before 1.2.1, when unable t…
    CVE-2014-2583 (CVSS 5.8) — Multiple directory traversal vulnerabilities in pam_timestamp.c in the pam_timestamp module for Linux-PAM (aka…
    CVE-2011-3148 (CVSS 4.6) — Stack-based buffer overflow in the _assemble_line function in modules/pam_env/pam_env.c in Linux-PAM (aka pam)…
    CVE-2011-3149 (CVSS 2.1) — The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5…
    CVE-2010-3853 (CVSS 6.9) — pam_namespace.c in the pam_namespace module in Linux-PAM (aka pam) before 1.1.3 uses the environment of the in…

    References

    http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=06f882f30092a39a1db867c9744b2ca8d60e4ad6
    http://lists.vmware.com/pipermail/security-announce/2011/000126.html
    http://openwall.com/lists/oss-security/2010/09/21/3
    http://openwall.com/lists/oss-security/2010/09/27/10
    http://openwall.com/lists/oss-security/2010/09/27/4
    http://openwall.com/lists/oss-security/2010/09/27/5
    http://openwall.com/lists/oss-security/2010/09/27/7
    http://openwall.com/lists/oss-security/2010/09/27/8
    http://openwall.com/lists/oss-security/2010/10/25/2
    http://secunia.com/advisories/49711
    http://security.gentoo.org/glsa/glsa-201206-31.xml
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:220
    http://www.openwall.com/lists/oss-security/2010/09/24/2
    http://www.redhat.com/support/errata/RHSA-2010-0819.html
    http://www.redhat.com/support/errata/RHSA-2010-0891.html
    http://www.securityfocus.com/archive/1/516909/100/0/threaded
    http://www.vmware.com/security/advisories/VMSA-2011-0004.html
    http://www.vupen.com/english/advisories/2011/0606
    https://bugzilla.redhat.com/show_bug.cgi?id=641335
    http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=06f882f30092a39a1db867c9744b2ca8d60e4ad6
    http://lists.vmware.com/pipermail/security-announce/2011/000126.html
    http://openwall.com/lists/oss-security/2010/09/21/3
    http://openwall.com/lists/oss-security/2010/09/27/10
    http://openwall.com/lists/oss-security/2010/09/27/4
    http://openwall.com/lists/oss-security/2010/09/27/5
    http://openwall.com/lists/oss-security/2010/09/27/7
    http://openwall.com/lists/oss-security/2010/09/27/8
    http://openwall.com/lists/oss-security/2010/10/25/2
    http://secunia.com/advisories/49711
    http://security.gentoo.org/glsa/glsa-201206-31.xml
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:220
    http://www.openwall.com/lists/oss-security/2010/09/24/2
    http://www.redhat.com/support/errata/RHSA-2010-0819.html
    http://www.redhat.com/support/errata/RHSA-2010-0891.html
    http://www.securityfocus.com/archive/1/516909/100/0/threaded
    http://www.vmware.com/security/advisories/VMSA-2011-0004.html
    http://www.vupen.com/english/advisories/2011/0606
    https://bugzilla.redhat.com/show_bug.cgi?id=641335

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High