CVE-2011-1550

CVE-2011-1550 is a medium-severity vulnerability in Gentoo Logrotate with a CVSS 2.0 base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.3)
• EPSS exploit prediction: 0% (27th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-264
• Affected product: Gentoo Logrotate
• Published: 2011-03-30
• Last modified: 2026-06-16

Description

The default configuration of logrotate on SUSE openSUSE Factory uses root privileges to process files in directories that permit non-root write access, which allows local users to conduct symlink and hard link attacks by leveraging logrotate's lack of support for untrusted directories, as demonstrated by directories for the (1) cobbler, (2) inn, (3) safte-monitor, and (4) uucp packages.

Frequently asked questions

What is CVE-2011-1550?

The default configuration of logrotate on SUSE openSUSE Factory uses root privileges to process files in directories that permit non-root write access, which allows local users to conduct symlink and hard link attacks by leveraging logrotate's lack of support for untrusted directories, as demonstrated by directories for the (1) cobbler, (2) inn, (3) safte-monitor, and (4) uucp packages.

How severe is CVE-2011-1550?

CVE-2011-1550 has a CVSS 2.0 base score of 6.3, rated medium severity.

Is CVE-2011-1550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1550?

CVE-2011-1550 affects Gentoo Logrotate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1550?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1550 published?

CVE-2011-1550 was published on 2011-03-30 and last updated on 2026-06-16.

References

• http://openwall.com/lists/oss-security/2011/03/04/16
• http://openwall.com/lists/oss-security/2011/03/04/17
• http://openwall.com/lists/oss-security/2011/03/04/18
• http://openwall.com/lists/oss-security/2011/03/04/19
• http://openwall.com/lists/oss-security/2011/03/04/22
• http://openwall.com/lists/oss-security/2011/03/04/24
• http://openwall.com/lists/oss-security/2011/03/04/25
• http://openwall.com/lists/oss-security/2011/03/04/26
• http://openwall.com/lists/oss-security/2011/03/04/27
• http://openwall.com/lists/oss-security/2011/03/04/28
• http://openwall.com/lists/oss-security/2011/03/04/29
• http://openwall.com/lists/oss-security/2011/03/04/30
• http://openwall.com/lists/oss-security/2011/03/04/31
• http://openwall.com/lists/oss-security/2011/03/04/32
• http://openwall.com/lists/oss-security/2011/03/04/33
• http://openwall.com/lists/oss-security/2011/03/05/4
• http://openwall.com/lists/oss-security/2011/03/05/6
• http://openwall.com/lists/oss-security/2011/03/05/8
• http://openwall.com/lists/oss-security/2011/03/06/3
• http://openwall.com/lists/oss-security/2011/03/06/4
• http://openwall.com/lists/oss-security/2011/03/06/5
• http://openwall.com/lists/oss-security/2011/03/06/6
• http://openwall.com/lists/oss-security/2011/03/07/11
• http://openwall.com/lists/oss-security/2011/03/07/5
• http://openwall.com/lists/oss-security/2011/03/07/6
• http://openwall.com/lists/oss-security/2011/03/08/5
• http://openwall.com/lists/oss-security/2011/03/10/2
• http://openwall.com/lists/oss-security/2011/03/10/3
• http://openwall.com/lists/oss-security/2011/03/10/6
• http://openwall.com/lists/oss-security/2011/03/10/7

Affected products (1)

• cpe:2.3:a:gentoo:logrotate:*:*:*:*:*:*:*:*

More vulnerabilities in Gentoo Logrotate

• CVE-2011-1154 — Medium (CVSS 6.9): The shred_file function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to…
• CVE-2011-1549 — Medium (CVSS 6.3): The default configuration of logrotate on Gentoo Linux uses root privileges to process files in directories that permit…
• CVE-2011-1548 — Medium (CVSS 6.3): The default configuration of logrotate on Debian GNU/Linux uses root privileges to process files in directories that…
• CVE-2011-1155 — Low (CVSS 1.9): The writeState function in logrotate.c in logrotate 3.7.9 and earlier might allow context-dependent attackers to cause…
• CVE-2011-1098 — Low (CVSS 1.9): Race condition in the createOutputFile function in logrotate.c in logrotate 3.7.9 and earlier allows local users to…

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