CVE-2018-10958 Denial of service in n/a
A large size value in Exiv2 causes a SIGABRT during memory allocation, leading to a denial of service.
- 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-2018-10958?
CVE-2018-10958 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 10 May 2018. 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
In types.cpp in Exiv2 0.26, a large size value may lead to a SIGABRT during an attempt at memory allocation for an Exiv2::Internal::PngChunk::zlibUncompress call.
Weakness: CWE-119
Which versions are affected by CVE-2018-10958?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Exiv2 Exiv2.
How do I fix CVE-2018-10958?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-10958 being exploited?
There is no known exploitation of CVE-2018-10958 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-10958, GHSA-w36f-7jv5-74qh, UBUNTU-CVE-2018-10958.