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...

PT-2014-2122

Name of the Vulnerable Software and Affected Versions nfs-utils versions prior to 1.2.4 Description The issue arises from the host reliable addrinfo function in nfs-utils, which fails to properly utilize DNS for verifying access to NFS exports. This allows remote attackers to mount filesystems by...

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)

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 - 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)

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 - 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...

Calibre E-Book Reader Local Root Exploit

Exploit for linux platform in category local exploits 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 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 and look at the array of silly things done, only one ...

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 ...