CVE-2011-0538 Use after free in n/a
Remote attackers can cause denial of service or potential code execution by tricking users into opening a malformed pcap-ng file in Wireshark.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2011-0538?
CVE-2011-0538 is a medium-severity use after free vulnerability in Wireshark Wireshark, published on 8 Feb 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Wireshark 1.2.0 through 1.2.14, 1.4.0 through 1.4.3, and 1.5.0 frees an uninitialized pointer during processing of a .pcap file in the pcap-ng format, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a malformed file.
Weakness: CWE-119
Which versions are affected by CVE-2011-0538?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2011-0538?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2011-0538 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-0538 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2011-0538, GHSA-mh8c-wx62-vg9v.