SB2016080205 - Path traversal in KDE Frameworks

Description

This security bulletin contains information about 1 vulnerability.

1) Path traversal (CVE-ID: CVE-2016-6232)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in KArchive before 5.24, as used in KDE Frameworks. A remote attacker can trick the victim to open a specially crafted archive and data write to arbitrary files via a ./ (dot dot slash) in a filename, related to KNewsstuff downloads.

Remediation

Install update from vendor's website.

References

• http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00023.html
• http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00000.html
• http://www.debian.org/security/2016/dsa-3643
• http://www.openwall.com/lists/oss-security/2016/07/16/2
• http://www.openwall.com/lists/oss-security/2016/07/16/3
• http://www.ubuntu.com/usn/USN-3042-1
• https://quickgit.kde.org/?p=karchive.git&a=commit&h=0cb243f64eef45565741b27364cece7d5c349c37
• https://www.kde.org/info/security/advisory-20160724-1.txt