High severity8.8NVD Advisory· Published Nov 3, 2016· Updated Jun 17, 2026
CVE-2015-8968
CVE-2015-8968
Description
git-fastclone before 1.0.1 permits arbitrary shell command execution from .gitmodules. If an attacker can instruct a user to run a recursive clone from a repository they control, they can get a client to run an arbitrary shell command. Alternately, if an attacker can MITM an unencrypted git clone, they could exploit this. The ext command will be run if the repository is recursively cloned or if submodules are updated. This attack works when cloning both local and remote repositories.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
git-fastcloneRubyGems | < 1.0.1 | 1.0.1 |
Affected products
2Patches
Vulnerability mechanics
References
7- github.com/square/git-fastclone/pull/2nvdPatchVendor AdvisoryWEB
- hackerone.com/reports/104465nvdExploitThird Party AdvisoryWEB
- www.securityfocus.com/bid/81433nvdThird Party AdvisoryVDB Entry
- github.com/advisories/GHSA-8gg6-3r63-25m8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2015-8968ghsaADVISORY
- github.com/rubysec/ruby-advisory-db/blob/master/gems/git-fastclone/CVE-2015-8968.ymlghsaWEB
- web.archive.org/web/20200227213019/http://www.securityfocus.com/bid/81433ghsaWEB
News mentions
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