CVE-2018-9145 Denial of service in n/a
A large buffer size in the DataBuf constructor can cause a SIGABRT, leading to a denial of service in applications using Exiv2.
- 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
- None listed
What is CVE-2018-9145?
CVE-2018-9145 is a medium-severity denial of service vulnerability in Exiv2 Exiv2, published on 30 Mar 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 the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.
Weakness: CWE-20
Which versions are affected by CVE-2018-9145?
It affects 1 product.
Products include Exiv2 Exiv2.
How do I fix CVE-2018-9145?
No fix has been published for CVE-2018-9145 yet. Limit exposure of the affected software until one is available.
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-2018-9145 being exploited?
There is no known exploitation of CVE-2018-9145 in the wild and no public exploit code.
Other vulnerabilities in Exiv2 Exiv2
Sources
Also known as GHSA-v97h-jqp9-pcjg.