CVE-2018-17456

critical-risk
Published 2018-10-06

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.

Do I need to act?

!
66.2% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
2 public exploits available
45631, 45548
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (19)

Git

Affected Vendors

Debian Redhat Canonical Git-Scm

References (36)

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html
Third Party Advisory http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execut...
Third Party Advisory http://www.securityfocus.com/bid/105523
Third Party Advisory http://www.securityfocus.com/bid/107511
Third Party Advisory http://www.securitytracker.com/id/1041811
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3408
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3505
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3541
https://access.redhat.com/errata/RHSA-2020:0316
Patch https://github.com/git/git/commit/1a7fd1fb2998002da6e9ff2ee46e1bdd25ee8404
Patch https://github.com/git/git/commit/a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46
Third Party Advisory https://marc.info/?l=git&m=153875888916397&w=2
Mailing List https://seclists.org/bugtraq/2019/Mar/30
Third Party Advisory https://usn.ubuntu.com/3791-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4311
Exploit https://www.exploit-db.com/exploits/45548/
Exploit https://www.exploit-db.com/exploits/45631/
Mailing List https://www.openwall.com/lists/oss-security/2018/10/06/3
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html
Third Party Advisory http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execut...
and 16 more references
70
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 19/34 · Moderate
Exposure 19/34 · Moderate