Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Perl | Perl | >= 5.18, <= 5.26 |
| Canonical | Ubuntu Linux | 16.04 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- http://www.securitytracker.com/id/1040681Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1042004Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1192Third Party Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=132227PatchVendor Advisory
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4172Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.securitytracker.com/id/1040681Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1042004Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1192Third Party Advisory
- https://rt.perl.org/Public/Bug/Display.html?id=132227PatchVendor Advisory
- https://security.gentoo.org/glsa/201909-01
- https://usn.ubuntu.com/3625-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4172Third Party Advisory
FAQ
What is CVE-2018-6797?
CVE-2018-6797 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2018-6797?
CVE-2018-6797 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-6797?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Perl Perl, Canonical Ubuntu Linux, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.