CVE-2015-6242 Memory corruption in n/a
Remote attackers can crash Wireshark via crafted packets due to improper memory handling in the wmem block allocator.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-6242?
CVE-2015-6242 is a medium-severity memory corruption vulnerability in Oracle Solaris, published on 24 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The wmem_block_split_free_chunk function in epan/wmem/wmem_allocator_block.c in the wmem block allocator in the memory manager in Wireshark 1.12.x before 1.12.7 does not properly consider a certain case of multiple realloc operations that restore a memory chunk to its original size, which allows remote attackers to cause a denial of service (incorrect free operation and application crash) via a crafted packet.
Weakness: CWE-20
Which versions are affected by CVE-2015-6242?
It affects 2 products.
Products include Oracle Solaris, Wireshark Wireshark.
How do I fix CVE-2015-6242?
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-2015-6242 being exploited?
There is no known exploitation of CVE-2015-6242 in the wild and no public exploit code.
Other vulnerabilities in Oracle Solaris
Sources
Also known as DEBIAN-CVE-2015-6242, GHSA-cxr5-cqh9-cwrf, UBUNTU-CVE-2015-6242.