[arch-security] [ASA-201503-22] cpio: directory traversal
anthraxx at archlinux.org
Mon Mar 23 15:38:03 UTC 2015
Arch Linux Security Advisory ASA-201503-22
Date : 2015-03-23
CVE-ID : CVE-2015-1197
Package : cpio
Type : directory traversal
Remote : No
Link : https://wiki.archlinux.org/index.php/CVE
The package cpio before version 2.11-6 is vulnerable to directory traversal.
Upgrade to 2.11-6.
# pacman -Syu "cpio>=2.11-6"
The problem has not been fixed upstream but patches were available.
It was reported that cpio is vulnerable to a directory traversal
vulnerability when using the --no-absolute-filenames option. While
extracting an archive, it will extract symlinks and then follow them if
they are referenced in further entries. This can be exploited by a rogue
archive to write to files outside the current directory.
An attacker is able to use a specially crafted archive containing a
symlink to perform directory traversal resulting in arbitrary file write.
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