Input validation error in Wireshark - CVE-2012-5238
Published: October 4, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43435
CSH Severity: Low
CVSS v4.0: 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-2012-5238
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark
Wireshark
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding of (1) PPP and (2) LCP data, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a malformed packet.
How to mitigate CVE-2012-5238
Install update from vendor's website.
Sources
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=42989&r2=42988&pathrev=42989
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=44688&r2=44687&pathrev=44688
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=42989
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44688
- http://osvdb.org/85883
- http://www.securityfocus.com/bid/55754
- http://www.securitytracker.com/id?1027604
- http://www.wireshark.org/security/wnpa-sec-2012-27.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7316
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7668
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79010
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15593