CVE-2015-8740 Memory corruption in n/a
Remote attackers can cause a denial of service via stack-based buffer overflow in Wireshark's TDS dissector by sending crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-8740?
CVE-2015-8740 is a medium-severity memory corruption vulnerability in Wireshark Wireshark, published on 4 Jan 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The dissect_tds7_colmetadata_token function in epan/dissectors/packet-tds.c in the TDS dissector in Wireshark 2.0.x before 2.0.1 does not validate the number of columns, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.
Weakness: CWE-20
Which versions are affected by CVE-2015-8740?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2015-8740?
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-2015-8740 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-8740 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2015-8740, GHSA-52h2-w5gw-mp27, UBUNTU-CVE-2015-8740.