Buffer overflow in Wireshark - CVE-2012-5240
Published: October 4, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43436
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-5240
CWE-ID: CWE-119
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 read and manipulate data.
Buffer overflow in the dissect_tlv function in epan/dissectors/packet-ldp.c in the LDP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malformed packet.
How to mitigate CVE-2012-5240
Install update from vendor's website.
Sources
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ldp.c?r1=44801&r2=44800&pathrev=44801
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44801
- http://www.securityfocus.com/bid/55754
- http://www.securitytracker.com/id?1027604
- http://www.wireshark.org/security/wnpa-sec-2012-29.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7046
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7567
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15691