K16878: PAM vulnerabilities CVE-2011-3148 and CVE-2011-3149

Security Advisory Description Description CVE-2011-3148 Stack-based buffer overflow in the assembleline function in modules/pamenv/pamenv.c in Linux-PAM aka pam before 1.1.5 allows local users to cause a denial of service crash and possibly execute arbitrary code via a long string of white spaces...

Security Bulletin:A vulnerability in the Linux Pluggable Authentication Module (PAM) affects the IBM FlashSystem models 840 and 900 (CVE-2015-3238)

Summary There is a vulnerability in Linux Pluggable Authentication Module PAM to which the IBM® FlashSystem™ 840 and IBM FlashSystem 900 are susceptible. An exploit of this vulnerability could allow a remote attacker to expose sensitive information and/or cause a denial of service. Vulnerability...

SUSE CVE-2007-0003

pamunix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /etc/shadow, has only two characters...

SUSE CVE-2010-3431

The privilege-dropping implementation in the 1 pamenv and 2 pammail modules in Linux-PAM aka pam 1.1.2 does not check the return value of the setfsuid system call, which might allow local users to obtain sensitive information by leveraging an unintended uid, as demonstrated by a symlink attack on...

SUSE CVE-2010-3430

The privilege-dropping implementation in the 1 pamenv and 2 pammail modules in Linux-PAM aka pam 1.1.2 does not perform the required setfsgid and setgroups system calls, which might allow local users to obtain sensitive information by leveraging unintended group permissions, as demonstrated by a...

SUSE CVE-2010-4707

The checkacl function in pamxauth.c in the pamxauth module in Linux-PAM aka pam 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service resource consumption via a special file...

SUSE CVE-2010-4706

The pamsmclosesession function in pamxauth.c in the pamxauth module in Linux-PAM aka pam 1.1.2 and earlier does not properly handle a failure to determine a certain target uid, which might allow local users to delete unintended files by executing a program that relies on the pamxauth PAM check...

SUSE CVE-2011-3148

Stack-based buffer overflow in the assembleline function in modules/pamenv/pamenv.c in Linux-PAM aka pam before 1.1.5 allows local users to cause a denial of service crash and possibly execute arbitrary code via a long string of white spaces at the beginning of the /.pamenvironment file...

SUSE CVE-2011-3149

The expandarg function in the pamenv module modules/pamenv/pamenv.c in Linux-PAM aka pam before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service CPU consumption...

SUSE CVE-2014-2583

Multiple directory traversal vulnerabilities in pamtimestamp.c in the pamtimestamp module for Linux-PAM aka pam 1.1.8 allow local users to create arbitrary files or possibly bypass authentication via a .. dot dot in the 1 PAMRUSER value to the getruser function or 2 PAMTTY value to the checktty...

SUSE CVE-2015-3238

The unixrunhelperbinary function in the pamunix module in Linux-PAM aka pam before 1.2.1, when unable to directly access passwords, allows local users to enumerate usernames or cause a denial of service hang via a large password...

SUSE CVE-2020-27780

A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate...

SUSE CVE-2020-36394

pamsetquota.c in the pamsetquota module before 2020-05-29 for Linux-PAM allows local attackers to set their quota on an arbitrary filesystem, in certain situations where the attacker's home directory is a FUSE filesystem mounted under /home...

SUSE CVE-2022-28321

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pamaccess.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : PAM regressions (USN-5825-2)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5825-2 advisory. USN-5825-1 fixed vulnerabilities in PAM. Unfortunately that update was incomplete and could introduce a regression. This updat...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS : PAM vulnerability (USN-5825-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5825-1 advisory. It was discovered that PAM did not correctly restrict login from an IP address that is not resolvable via DNS. An attacker cou...

The vulnerability of the pam_access.so function in the Linux-PAM authentication module allows a hacker to circumvent existing security restrictions.

The vulnerability of the pamaccess.so module of the Linux-PAM authentication module is related to deficiencies in the authentication process. Exploiting this vulnerability could allow a malicious actor to circumvent existing security restrictions remotely...

CVE-2022-28321

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pamaccess.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a...

Authentication flaw

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pamaccess.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a...

CVE-2022-28321

The Linux-PAM package before 1.5.2-6.1 for openSUSE Tumbleweed allows authentication bypass for SSH logins. The pamaccess.so module doesn't correctly restrict login if a user tries to connect from an IP address that is not resolvable via DNS. In such conditions, a user with denied access to a...