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CVE-2012-5630

20
FAUCET Score

CVE-2012-5630 describes a Time-of-Check Time-of-Use (TOCTOU) race condition in libuser versions 0.56 and 0.57, impacting directory tree operations across various Fedora and Red Hat Enterprise Linux distributions. This vulnerability carries a CVSS v3.1 score of 6.3 (Medium), indicating a local attack vector with high attack complexity, but potentially high integrity and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.57CPE matchmatch criteria
cpe:2.3:a:libuser_project:libuser:0.57:*:*:*:*:*:*:*
0.58CPE matchmatch criteria
cpe:2.3:a:libuser_project:libuser:0.58:*:*:*:*:*:*:*
18CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.28%
Probability of exploitation in next 30 days
EPSS Percentile
20.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0028 is in the 63rd percentile among its peer group of 1,296 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libuser
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libuser

Vendor Advisories (1)

redhatCVE-2012-5630Low

libuser: TOCTOU race conditions by copying and removing directory trees

Mar 28, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2013-April/102068.html
Third Party Advisory
access.redhat.com / security/cve/cve-2012-5630
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
security-tracker.debian.org / tracker/CVE-2012-5630
Third Party Advisory
securityfocus.com / bid/59285
Third Party AdvisoryVDB Entry