Stack-based buffer overflow in the is_git_directory function in setup.c in Git before 1.7.2.1 allows local users to gain privileges via a lo
Stack-based buffer overflow in the is_git_directory function in setup.c in Git before 1.7.2.1 allows local users to gain privileges via a long gitdir: field in a .git file in a working copy.
- Published
- Aug 11, 2010
- Updated
- Jun 16, 2026
- EPSS
- 2.5% · 84th percentile
- CWE
- CWE-787
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.5%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| git-scm | git | cpe:2.3:a:git-scm:git |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- git-scm gitbefore 1.7.2.1
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:5.0 | git-core | before 1:1.5.6.5-3+lenny3.1 | 1:1.5.6.5-3+lenny3.1 |
Same product
git-scm: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-17456Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows r68This week
- CVE-2025-48384Git allows arbitrary code execution through broken config quotingKEV63This week
- CVE-2017-1000117A malicious third-party can give a crafted "ssh://..." URL to an unsuspecting victim, and an attempt to visit the URL can result in any prog58Plan
- CVE-2021-21300malicious repositories can execute remote code while cloning57Plan
- CVE-2022-23521gitattributes parsing integer overflow in git56Plan
- CVE-2022-41903Integer overflow in `git archive`, `git log --format` leading to RCE in git52Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:git-core | 1:1.5.6.5-3+lenny3.1 · Debian:5.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/?p=git/git.git%3Ba=commit%3Bh=3c9d0414ed2db0167e6c828b547be8fc9f88fccc
- lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
- secunia.com/advisories/43457
- www.kernel.org/pub/software/scm/git/docs/RelNotes-1.7.2.1.txt
- www.openwall.com/lists/oss-security/2010/07/22/1
- www.openwall.com/lists/oss-security/2010/07/22/4
- www.securityfocus.com/bid/41891
- www.vupen.com/english/advisories/2011/0464
- bugzilla.redhat.com/show_bug.cgi?id=618108
Vendor advisories and official records. Exploit/PoC links are deliberately left out.