CVE-2011-3594

MEDIUM

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.

References

http://developer.pidgin.im/ticket/14636

http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8

http://pidgin.im/news/security/?id=56

http://secunia.com/advisories/46376

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%3Adef%3A18034

Details

Source: MITRE

Published: 2011-11-04

Updated: 2017-09-19

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM