CVE-2011-1959 Memory corruption in n/a
Remote attackers can crash Wireshark by providing a malicious snoop file with a large length value, causing a stack-based buffer over-read.
- 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-2011-1959?
CVE-2011-1959 is a medium-severity memory corruption vulnerability in Wireshark Wireshark, published on 6 Jun 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
The snoop_read function in wiretap/snoop.c in Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 does not properly handle certain virtualizable buffers, which allows remote attackers to cause a denial of service (application crash) via a large length value in a snoop file that triggers a stack-based buffer over-read.
Weakness: CWE-119
Which versions are affected by CVE-2011-1959?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2011-1959?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2011-1959 being exploited?
There is no known exploitation of CVE-2011-1959 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2011-1959, GHSA-8qfq-3vq7-6vqq.