CVE-2015-8969

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Summary

CVECVE-2015-8969
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-11-03 10:59:01 UTC
Updated2026-05-06 22:30:45 UTC
Descriptiongit-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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.024890000 probability, percentile 0.854130000 (date 2026-05-10)

Problem Types: CWE-77 | Arbitrary Command Execution

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Squareup Git-fastclone All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Git-fastclone Ruby Gem All Versions Before 1.0.5 affected git-fastclone ruby gem All versions before 1.0.5 Not specified

References

ReferenceSourceLinkTags
#105190 Unsafe usage of Ruby string interpolation enabling command injection in git-fastclone - HackerOne af854a3a-2127-422b-91ae-364da2661108 hackerone.com Exploit, Third Party Advisory
Square git-fastclone Multiple Remote Command Execution Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
1.0.5 cocaine security fixes by longboardcat · Pull Request #5 · square/git-fastclone · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Vendor Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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