Out-of-bounds read in KDE - CVE-2012-4513
Published: November 11, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43345
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-4513
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in khtml/imload/scaledimageplane.h in Konqueror in KDE 4.7.3. A remote attacker can perform a denial of service (crash) and possibly read memory via large canvas dimensions, which leads to an unexpected sign extension and a heap-based buffer over-read.
Affected software
KDE
How to mitigate CVE-2012-4513
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Links to Public Exploits and PoC-codes
External References
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0005.html
- http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=1f8b1b034ccf1713a5d123a4c327290f86d17d53
- http://rhn.redhat.com/errata/RHSA-2012-1416.html
- http://rhn.redhat.com/errata/RHSA-2012-1418.html
- http://secunia.com/advisories/51097
- http://secunia.com/advisories/51145
- http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
- http://www.openwall.com/lists/oss-security/2012/10/11/11
- http://www.openwall.com/lists/oss-security/2012/10/30/6
- http://www.securitytracker.com/id?1027709