CVE-2015-0796 open build service source server symlink exploitation via source patch
Attackers can exploit symlink handling in source patches to escape confinement or cause denial of service in Open Build Service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2015-0796?
CVE-2015-0796 is a medium-severity path traversal vulnerability in SUSE open build service, published on 2 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In open buildservice 2.6 before 2.6.3, 2.5 before 2.5.7 and 2.4 before 2.4.8 the source service patch application could generate non-standard files like symlinks or device nodes, which could allow buildservice users to break of confinement or cause denial of service attacks on the source service.
Which versions are affected by CVE-2015-0796?
It affects 1 product.
Products include Opensuse Open Buildservice.
How do I fix CVE-2015-0796?
No fix has been published for CVE-2015-0796 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2015-0796 being exploited?
There is no known exploitation of CVE-2015-0796 in the wild and no public exploit code.
Sources
Also known as GHSA-p785-598g-mxcr.