RedHat Update for glibc RHSA-2012:0126-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptxrefname:"URL",...

RHEL 5 : util-linux (RHSA-2012:0307)

The remote Redhat Enterprise Linux 5 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2012:0307 advisory. The util-linux package contains a large variety of low-level system utilities that are necessary for a Linux system to function. Among other...

glibc, nptl, nscd security update

CentOS Errata and Security Advisory CESA-2012:0125 Updated glibc packages that fix multiple security issues and one bug are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring Syste...

CentOS 5 : glibc (CESA-2012:0126)

Updated glibc packages that fix multiple security issues are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...

glibc: Improper encoding of names with certain special character in utilities for writing to mtab table

The encodename macro in misc/mntentr.c in the GNU C Library aka glibc or libc6 2.11.1 and earlier, as used by ncpmount and mount.cifs, does not properly handle newline characters in mountpoint names, which allows local users to cause a denial of service mtab corruption, or possibly modify mount...

kernel: ext4: ext4_ext_insert_extent() kernel oops

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service system crash via vectors involving ext4 umount and mount operations...

OverlayFS inode Security Checks - 'inode.c' Local Security Bypass

source: https://www.securityfocus.com/bid/51529/info OverlayFS is prone to a local security-bypass vulnerability. Attackers can exploit this issue to bypass security restrictions and perform unauthorized actions. !/bin/bash ddir=cat /proc/self/mountinfo | grep cgroup | grep devices | awk ' print ...

kernel: cifs: always do is_path_accessible check in cifs_mount

The setupcifssb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service system crash by placing a referral at the root of a share...

nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE

The nfsaddmntent function in support/nfs/nfsmntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMITFSIZE value,...

util-linux: umount may fail to remove /etc/mtab~ lock file

mount in util-linux 2.19 and earlier does not remove the /etc/mtab lock file after a failed attempt to add a mount entry, which has unspecified impact and local attack vectors...

Low: Red Hat Security Advisory: util-linux-ng security, bug fix, and enhancement update

Updated util-linux-ng packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having low security impact. Common Vulnerability Scoring System CVSS base...

util-linux: mount fails to anticipate RLIMIT_FSIZE

mount in util-linux 2.19 and earlier attempts to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMITFSIZE value, a related issue to CVE-2011-1089...

kernel: cifs: always do is_path_accessible check in cifs_mount

The setupcifssb function in fs/cifs/connect.c in the Linux kernel before 2.6.39 does not properly handle DFS referrals, which allows remote CIFS servers to cause a denial of service system crash by placing a referral at the root of a share...

Calibre E-Book Reader - Local Privilege Escalation (2)

Exploit Title: .60-Calibrer Assault Mount: Another Calibre E-Book Reader Local Root Date: Nov 2, 2011 Author: zx2c4 Software Link: http://calibre-ebook.com/ Tested on: Gentoo Platform: Linux Category: Local CVE: pending !/bin/sh .60-Calibrer Assault Mount by zx2c4 Yesterday we learned how Calibre...

Calibre E-Book Reader - Race Condition Privilege Escalation

!/bin/sh .70-Calibrer Assault Mount by Dan Rosenberg @djrbliss and zx2c4 Yesterday we learned how Calibre's ability to mount anything anywhere resulted in a local root. Today's exploit shows a race condition to subvert recent changes preventing symlinks and checking path prefixes. - djrbliss &...

Calibre E-Book Reader - Race Condition Privilege Escalation

Calibre E-Book Reader - Race Condition Privilege Escalation !/bin/sh .70-Calibrer Assault Mount by Dan Rosenberg @djrbliss and zx2c4 Yesterday we learned how Calibre's ability to mount anything anywhere resulted in a local root. Today's exploit shows a race condition to subvert recent changes...

Calibre E-Book Reader - Local Privilege Escalation (2)

Calibre E-Book Reader - Local Privilege Escalation 2 Exploit Title: .60-Calibrer Assault Mount: Another Calibre E-Book Reader Local Root Date: Nov 2, 2011 Author: zx2c4 Software Link: http://calibre-ebook.com/ Tested on: Gentoo Platform: Linux Category: Local CVE: pending !/bin/sh .60-Calibrer...

Calibre E-Book Reader Local Root Race Condition

!/bin/sh .70-Calibrer Assault Mount by Dan Rosenberg @djrbliss and zx2c4 Yesterday we learned how Calibre's ability to mount anything anywhere resulted in a local root. Today's exploit shows a race condition to subvert recent changes preventing symlinks and checking path prefixes. - djrbliss &...

Calibre E-Book Reader Local Root

!/bin/sh .50-Calibrer Assault Mount by zx2c4 Calibre uses a suid mount helper, and like nearly all suid mount helpers that have come before it, it's badly broken. Let's go through Calibre's faulty code available at http://pastebin.com/auz9SULi and look at the array of silly things done, only one ...

Calibre E-Book Reader - Local Privilege Escalation (1)

Calibre E-Book Reader - Local Privilege Escalation 1 !/bin/sh .50-Calibrer Assault Mount by zx2c4 Calibre uses a suid mount helper, and like nearly all suid mount helpers that have come before it, it's badly broken. Let's go through Calibre's faulty code available at http://pastebin.com/auz9SULi...