Vulnerability Description
The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pidgin | Libpurple | <= 2.10.0 |
| Pidgin | Pidgin | All versions |
Related Weaknesses (CWE)
References
- http://developer.pidgin.im/ticket/14636Exploit
- http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600
- http://pidgin.im/news/security/?id=56
- http://secunia.com/advisories/46376Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
- http://www.redhat.com/support/errata/RHSA-2011-1371.html
- https://bugzilla.redhat.com/show_bug.cgi?id=743481
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://developer.pidgin.im/ticket/14636Exploit
- http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600
- http://pidgin.im/news/security/?id=56
- http://secunia.com/advisories/46376Vendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
- http://www.redhat.com/support/errata/RHSA-2011-1371.html
- https://bugzilla.redhat.com/show_bug.cgi?id=743481
FAQ
What is CVE-2011-3594?
CVE-2011-3594 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (cra...
How severe is CVE-2011-3594?
CVE-2011-3594 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-3594?
Check the references section above for vendor advisories and patch information. Affected products include: Pidgin Libpurple, Pidgin Pidgin.