#VU42055 Buffer overflow in Pidgin - CVE-2013-6490

Vulnerability identifier: #VU42055

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2013-6490

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pidgin
Client/Desktop applications / Messaging software

Vendor: pidgin.im

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a negative Content-Length header, which triggers a buffer overflow.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Pidgin: 2.0.0 - 2.10.6

---

External links
https://hg.pidgin.im/pidgin/main/rev/6bd2dd10e5da
https://www.debian.org/security/2014/dsa-2859
https://www.pidgin.im/news/security/?id=84
https://www.securityfocus.com/bid/65195
https://www.ubuntu.com/usn/USN-2100-1
https://rhn.redhat.com/errata/RHSA-2014-0139.html

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.