4.3

CVE-2011-3594

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Pidgin ≫ Libpurple Version <= 2.10.0
Pidgin ≫ Libpurple Version1.0
Pidgin ≫ Libpurple Version2.0.0
Pidgin ≫ Libpurple Version2.0.1
Pidgin ≫ Libpurple Version2.0.2
Pidgin ≫ Libpurple Version2.1.0
Pidgin ≫ Libpurple Version2.1.1
Pidgin ≫ Libpurple Version2.2.0
Pidgin ≫ Libpurple Version2.2.1
Pidgin ≫ Libpurple Version2.2.2
Pidgin ≫ Libpurple Version2.3.0
Pidgin ≫ Libpurple Version2.3.1
Pidgin ≫ Libpurple Version2.4.0
Pidgin ≫ Libpurple Version2.4.1
Pidgin ≫ Libpurple Version2.4.2
Pidgin ≫ Libpurple Version2.4.3
Pidgin ≫ Libpurple Version2.5.0
Pidgin ≫ Libpurple Version2.5.1
Pidgin ≫ Libpurple Version2.5.2
Pidgin ≫ Libpurple Version2.5.3
Pidgin ≫ Libpurple Version2.5.4
Pidgin ≫ Libpurple Version2.5.5
Pidgin ≫ Libpurple Version2.5.6
Pidgin ≫ Libpurple Version2.5.7
Pidgin ≫ Libpurple Version2.5.8
Pidgin ≫ Libpurple Version2.5.9
Pidgin ≫ Libpurple Version2.6.0
Pidgin ≫ Libpurple Version2.6.1
Pidgin ≫ Libpurple Version2.6.2
Pidgin ≫ Libpurple Version2.6.3
Pidgin ≫ Libpurple Version2.6.4
Pidgin ≫ Libpurple Version2.6.5
Pidgin ≫ Libpurple Version2.6.6
Pidgin ≫ Libpurple Version2.7.0
Pidgin ≫ Libpurple Version2.7.1
Pidgin ≫ Libpurple Version2.7.2
Pidgin ≫ Libpurple Version2.7.3
Pidgin ≫ Libpurple Version2.7.4
Pidgin ≫ Libpurple Version2.7.5
Pidgin ≫ Libpurple Version2.7.6
Pidgin ≫ Libpurple Version2.7.7
Pidgin ≫ Libpurple Version2.7.8
Pidgin ≫ Libpurple Version2.7.9
Pidgin ≫ Libpurple Version2.7.10
Pidgin ≫ Libpurple Version2.7.11
Pidgin ≫ Libpurple Version2.8.0
Pidgin ≫ Libpurple Version2.9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.19% 0.864
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

http://secunia.com/advisories/46376
Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1371.html
http://developer.pidgin.im/ticket/14636
Exploit
http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8
http://pidgin.im/news/security/?id=56
http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
https://bugzilla.redhat.com/show_bug.cgi?id=743481
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034