CVE-2011-3594 Memory corruption in n/a
Remote attackers can crash the application via invalid UTF-8 sequences in the SILC protocol plug-in, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-3594?
CVE-2011-3594 is a medium-severity memory corruption vulnerability in Pidgin Pidgin, published on 4 Nov 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-119
Which versions are affected by CVE-2011-3594?
It affects 2 products.
Products include Pidgin Libpurple, Pidgin Pidgin.
How do I fix CVE-2011-3594?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-3594 being exploited?
There is no known exploitation of CVE-2011-3594 in the wild and no public exploit code.
Other vulnerabilities in Pidgin Pidgin
- CVE-2009-2703 Null dereference in n/a
- CVE-2009-3083 Null dereference in n/a
- CVE-2009-3084 The msn_slp_process_msg function in libpurple/protocols/msn/slpcall.c in the MSN protocol plugin in libpurple 2.6.0 and 2.6.1, as used in Pi
- CVE-2009-3085 Denial of service in n/a
- CVE-2011-2943 Null dereference in n/a
Sources
Also known as DEBIAN-CVE-2011-3594, GHSA-5qw6-gghj-96qh.