RCE in Git-Scm Git
CVE-2019-19604
Arbitrary command execution is possible in Git before 2.20.2, 2.21.x before 2.21.1, 2.22.x before 2.22.2, 2.23.x before 2.23.1, and 2.24.x before 2.24.1 because a "git submodule update" operation can run commands found in the .gitmodules file of a malicious repository.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Git-Scm Git
- Debian Linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/gitlab-com/gl-security/disclosures/blob/master/003_git_submodule/adv… (Exploit, Third Party Advisory)
- raw.githubusercontent.com/git/git/master/Documentation/RelNotes/2.24.1.txt (Third Party Advisory)
- public-inbox.org/git/xmqqr21cqcn9.fsf@gitster-ct.c.googlers.com/
- www.debian.org/security/2019/dsa-4581 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/12/13/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00056.html (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202003-30 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19604?
- CVE-2019-19604 is a high-severity vulnerability in Git-Scm Git, classified under OS Command Injection. CVSS score: 7.8/10. Published 2019-12-11.
- How severe is CVE-2019-19604?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-19604 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.