CVE-2018-6797 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.
CriticalCVSS 9.8
EPSS 6.5%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/perl(Debian:12) | < 5.26.1-6 | 5.26.1-6 |
| debian/perl(Debian:13) | < 5.26.1-6 | 5.26.1-6 |
| debian/perl(Debian:14) | < 5.26.1-6 | 5.26.1-6 |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| perl | >= 5.18, <= 5.26 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.10 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux server | = 7.3 | No fix listed |
| redhat enterprise linux server | = 7.4 | No fix listed |
| redhat enterprise linux server | = 7.5 | No fix listed |
| redhat enterprise linux server | = 7.6 | No fix listed |
| redhat enterprise linux workstation | = 6.0 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| alpine/perl(Alpine:v3.10) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.11) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.12) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.13) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.14) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.15) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.16) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.17) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.18) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.19) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
Show 10 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/perl(Alpine:v3.20) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.21) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.22) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.23) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.24) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.5) | >= 5.18, < 5.24.4-r0 | 5.24.4-r0 |
| alpine/perl(Alpine:v3.6) | >= 5.18, < 5.24.4-r0 | 5.24.4-r0 |
| alpine/perl(Alpine:v3.7) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.8) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
| alpine/perl(Alpine:v3.9) | >= 5.18, < 5.26.2-r0 | 5.26.2-r0 |
References
- Debian Security Tracker CVE-2018-6797 vendor-advisory
- 1040681 third-party-advisory vdb-entry
- 1042004 third-party-advisory vdb-entry
- RHSA-2018:1192 third-party-advisory vendor-advisory
- rt.perl.org patch vendor-advisory
- GLSA-201909-01 vendor-advisory
- USN-3625-1 third-party-advisory vendor-advisory
- DSA-4172 third-party-advisory vendor-advisory
- www.oracle.com
- security.alpinelinux.org vendor-advisory