CVE-2018-20969 do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is un...
HighCVSS 7.8
EPSS 2.7%
- Published
- Updated
- Exploit status
- No public exploit known
Description
do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is unrelated to a shell metacharacter.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/patch(Debian:12) | < 2.7.6-5 | 2.7.6-5 |
| debian/patch(Debian:13) | < 2.7.6-5 | 2.7.6-5 |
| debian/patch(Debian:14) | < 2.7.6-5 | 2.7.6-5 |
| GNU patch | <= 2.7.6 | No fix listed |
| alpine/patch(Alpine:v3.10) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.11) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.12) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.13) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.14) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.15) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.16) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.17) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.18) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.19) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.20) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.21) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.22) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.23) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.24) | < 2.7.6-r6 | 2.7.6-r6 |
| alpine/patch(Alpine:v3.9) | < 2.7.6-r6 | 2.7.6-r6 |
References
- Debian Security Tracker CVE-2018-20969 vendor-advisory
- packetstormsecurity.com third-party-advisory vdb-entry
- RHSA-2019:2798 vendor-advisory
- RHSA-2019:2964 vendor-advisory
- RHSA-2019:3757 vendor-advisory
- RHSA-2019:3758 vendor-advisory
- RHSA-2019:4061 vendor-advisory
- git.savannah.gnu.org patch vendor-advisory
- github.com
- 20190816 Details about recent GNU patch vulnerabilities exploit mailing-list patch third-party-advisory
- security.alpinelinux.org vendor-advisory