CVE-2018-17456 EXPLOIT
9.8
CRITICAL · CVSS 3.0 · EPSS 97.4% (pctl 100)
Patch early
A public exploit exists.
Description
Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 97.36% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-88 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-10-06 |
| Last modified | 2026-06-17 |
Affected (11)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| debian | debian linux |
| git-scm | git |
| redhat | ansible tower |
| redhat | enterprise linux |
| redhat | enterprise linux desktop |
| redhat | enterprise linux server |
| redhat | enterprise linux server aus |
| redhat | enterprise linux server eus |
| redhat | enterprise linux server tus |
| redhat | enterprise linux workstation |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Git Submodule - Arbitrary Code Execution | 2018-10-16 |
| exploit-db | Git Submodule - Arbitrary Code Execution (PoC) | 2018-10-05 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html
- http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
- http://www.securityfocus.com/bid/105523
- http://www.securityfocus.com/bid/107511
- http://www.securitytracker.com/id/1041811
- https://access.redhat.com/errata/RHSA-2018:3408
- https://access.redhat.com/errata/RHSA-2018:3505
- https://access.redhat.com/errata/RHSA-2018:3541
- https://access.redhat.com/errata/RHSA-2020:0316
- https://github.com/git/git/commit/1a7fd1fb2998002da6e9ff2ee46e1bdd25ee8404
- https://github.com/git/git/commit/a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46
- https://marc.info/?l=git&m=153875888916397&w=2
- https://seclists.org/bugtraq/2019/Mar/30
- https://usn.ubuntu.com/3791-1/
- https://www.debian.org/security/2018/dsa-4311
- https://www.exploit-db.com/exploits/45548/
- https://www.exploit-db.com/exploits/45631/
- https://www.openwall.com/lists/oss-security/2018/10/06/3
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html
- http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
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