Description
Use-after-free vulnerability in khtml/rendering/render_replaced.cpp in Konqueror in KDE 4.7.3, when the context menu is shown, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by accessing an iframe when it is being updated.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Konqueror 4.7.3 - Memory Corruption EDB-22406 · dos · Nov 1, 2012
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 51145 third-party-advisory
- http://www.nth-dimension.org.uk/pub/NDSA20121010.txt.asc
- [oss-security] 20121011 Re: Pre-advisory for Konqueror 4.7.3 (other versions may be affected) mailing-list
- 20121030 Medium risk security flaws in Konqueror mailing-list
- http://quickgit.kde.org/index.php?p=kdelibs.git&a=commitdiff&h=4f2eb356f1c23444fff2cfe0a7ae10efe303d6d8
- [oss-security] 20121030 Medium risk security flaws in Konqueror mailing-list
- 51097 third-party-advisory