Out-of-bounds Write Affecting perl package, versions <5.22.1-9ubuntu0.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-PERL-327706
- published17 Apr 2018
- disclosed17 Apr 2018
Introduced: 17 Apr 2018
CVE-2018-6797 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 perl to version 5.22.1-9ubuntu0.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-6797
- https://rt.perl.org/Public/Bug/Display.html?id=132227
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6797
- https://www.debian.org/security/2018/dsa-4172
- https://security-tracker.debian.org/tracker/CVE-2018-6797
- https://security.gentoo.org/glsa/201909-01
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://access.redhat.com/errata/RHSA-2018:1192
- http://www.securitytracker.com/id/1040681
- http://www.securitytracker.com/id/1042004
- https://usn.ubuntu.com/3625-1/