RCE in Squareup Git-Fastclone

CVE-2015-8969

git-fastclone before 1.0.5 passes user modifiable strings directly to a shell command. An attacker can execute malicious commands by modifying the strings that are passed as arguments to "cd " and "git clone " commands in the library.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Squareup Git-fastclone
  • N/a Git-fastclone Ruby Gem All Versions Before 1.0.5 — versions git-fastclone ruby gem All versions before 1.0.5

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8969?
CVE-2015-8969 is a critical-severity vulnerability in Squareup Git-Fastclone, classified under Command Injection. CVSS score: 9.8/10. Published 2016-11-03.
How severe is CVE-2015-8969?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-8969 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.