CVE-2018-20096

Public Exploit

Description

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.43%
Vendor Advisory fedoraproject.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Exiv2/exiv2/issues/590 issue tracking patch exploit third party advisory
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206 third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/ vendor advisory
https://access.redhat.com/errata/RHSA-2019:2101 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-20096?
CVE-2018-20096 has been scored as a medium severity vulnerability.
How to fix CVE-2018-20096?
To fix CVE-2018-20096, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20096 being actively exploited in the wild?
It is possible that CVE-2018-20096 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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