#VU33912 Input validation error in Pidgin - CVE-2013-0274

Vulnerability identifier: #VU33912

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-0274

CWE-ID: CWE-20

Exploitation vector: Local 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 perform service disruption.

upnp.c in libpurple in Pidgin before 2.10.7 does not properly terminate long strings in UPnP responses, which allows remote attackers to cause a denial of service (application crash) by leveraging access to the local network.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Pidgin: 2.10.0 - 2.10.6

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External links
https://hg.pidgin.im/pidgin/main/rev/ad7e7fb98db3
https://lists.opensuse.org/opensuse-security-announce/2013-03/msg00003.html
https://lists.opensuse.org/opensuse-security-announce/2013-03/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2013-03/msg00007.html
https://www.pidgin.im/news/security/?id=68
https://www.ubuntu.com/usn/USN-1746-1
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18221

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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