CVE-2015-8969
Git-fastclone passes user modifiable strings directly to a shell command
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2015-8969- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-77
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-8969- Updated
- 2026-11-02
EUVDEUVD-2018-0413 No score
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.
- Record
EUVD-2018-0413- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mf6w-45cf-qhmp
9.8
Git-fastclone passes user modifiable strings directly to a shell command
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.
- Record
GHSA-mf6w-45cf-qhmp- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
OSVGHSA-mf6w-45cf-qhmp
9.8
Git-fastclone passes user modifiable strings directly to a shell command
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.
- Record
GHSA-mf6w-45cf-qhmp- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
git-fastcloneRubyGems |
before 1.0.5 | 1.0.5 |
git-fastcloneRubyGems |
before 1.0.5, plus listed versions 0.0.00.0.10.0.31.0.01.0.11.0.31.0.4 |
1.0.5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-8969 is a critical vulnerability (CVSS 9.8) in Squareup Git-fastclone, published November 3, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.80%, the 91st percentile. Fixed in git-fastclone 1.0.5.
References
securityfocus.com/bid/81433
github.com/square/git-fastclone/pull/5
hackerone.com/reports/105190
nvd.nist.gov/vuln/detail/CVE-2015-8969
web.archive.org/web/20161108132238/http://www.securityfocus.com/bid/81433
github.com/rubysec/ruby-advisory-db/blob/master/gems/git-fastclone/CVE-2015-8969.yml
github.com/advisories/GHSA-mf6w-45cf-qhmp
github.com/square/git-fastclone