Unscored severity · published Dec 17, 2011
CVE-2011-4603
The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which…
–
CVSS
3.6%
EPSS
No
On KEV
Description
The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
Pidgin · Pidgin
through 2.10.0; 2.0.0; 2.0.1; 2.0.2; 2.1.0; 2.1.1; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4603
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4603
Patch
http://developer.pidgin.im/viewmtn/revision/diff/c7b95cc3be0590b52edc02d4750ae62844c1acb6/with/afb9ede3de989f217f03d5670cca00e628bd11f1/libpurple/protocols/silc/ops.c
developer.pidgin.im
http://developer.pidgin.im/viewmtn/revision/info/afb9ede3de989f217f03d5670cca00e628bd11f1
secunia.com
http://secunia.com/advisories/47234
Patch
http://www.pidgin.im/news/security/?id=59
www.redhat.com
http://www.redhat.com/support/errata/RHSA-2011-1820.html
www.securityfocus.com
http://www.securityfocus.com/bid/51074
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