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CVE-2009-4135

14
FAUCET Score

CVE-2009-4135 describes a local privilege escalation vulnerability affecting GNU coreutils versions 5.2.1 through 8.1, including distributions like Canonical Ubuntu and Fedora. The vulnerability, rated with a CVSS score of 4.4 (medium severity), allows local attackers to gain privileges through a symlink attack on files within /tmp during the 'distcheck' rule execution. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat level.

Impacted Technologies

VendorProductVersion(s)CPE
10.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
5.2.1CPE matchmatch criteria
cpe:2.3:a:gnu:coreutils:5.2.1:*:*:*:*:*:*:*
5.91CPE matchmatch criteria
cpe:2.3:a:gnu:coreutils:5.91:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 48th percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2009-4135Low

coreutils: Unsafe temporary directory use in "distcheck" rule

Dec 7, 2009

References

git.savannah.gnu.org / cgit/coreutils.git/commit
Issue TrackingPatch
marc.info
Mailing ListPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
secunia.com / advisories/37645
secunia.com / advisories/37860
secunia.com / advisories/62226
exchange.xforce.ibmcloud.com / vulnerabilities/54673
redhat.com / archives/fedora-package-announce/2009-December/msg00954.html
Third Party Advisory
redhat.com / archives/fedora-package-announce/2009-December/msg00972.html
Third Party Advisory
mail-archive.com / bug-coreutils%40gnu.org/msg18779.html
mail-archive.com / bug-coreutils%40gnu.org/msg18787.html
openwall.com / lists/oss-security/2009/12/08/4
Mailing ListThird Party Advisory
osvdb.org / 60853
securityfocus.com / bid/37256
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2473-1
Third Party Advisory
vupen.com / english/advisories/2009/3453
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