#VU45151 Race condition in logrotate - CVE-2011-1098

Vulnerability identifier: #VU45151

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2011-1098

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
logrotate
Other software / Other software solutions

Vendor: logrotate

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Race condition in the createOutputFile function in logrotate.c in logrotate 3.7.9 and earlier allows local users to read log data by opening a file before the intended permissions are in place.

Mitigation
Install update from vendor's website.

Vulnerable software versions

logrotate: 3.3 - 3.7.8

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2011-April/057845.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-March/056992.html
https://openwall.com/lists/oss-security/2011/03/04/16
https://openwall.com/lists/oss-security/2011/03/04/17
https://openwall.com/lists/oss-security/2011/03/04/18
https://openwall.com/lists/oss-security/2011/03/04/19
https://openwall.com/lists/oss-security/2011/03/04/22
https://openwall.com/lists/oss-security/2011/03/04/24
https://openwall.com/lists/oss-security/2011/03/04/25
https://openwall.com/lists/oss-security/2011/03/04/26
https://openwall.com/lists/oss-security/2011/03/04/27
https://openwall.com/lists/oss-security/2011/03/04/28
https://openwall.com/lists/oss-security/2011/03/04/29
https://openwall.com/lists/oss-security/2011/03/04/30
https://openwall.com/lists/oss-security/2011/03/04/31
https://openwall.com/lists/oss-security/2011/03/04/32
https://openwall.com/lists/oss-security/2011/03/04/33
https://openwall.com/lists/oss-security/2011/03/05/4
https://openwall.com/lists/oss-security/2011/03/05/6
https://openwall.com/lists/oss-security/2011/03/05/8
https://openwall.com/lists/oss-security/2011/03/06/3
https://openwall.com/lists/oss-security/2011/03/06/4
https://openwall.com/lists/oss-security/2011/03/06/5
https://openwall.com/lists/oss-security/2011/03/06/6
https://openwall.com/lists/oss-security/2011/03/07/11
https://openwall.com/lists/oss-security/2011/03/07/5
https://openwall.com/lists/oss-security/2011/03/07/6
https://openwall.com/lists/oss-security/2011/03/08/5
https://openwall.com/lists/oss-security/2011/03/10/2
https://openwall.com/lists/oss-security/2011/03/10/3
https://openwall.com/lists/oss-security/2011/03/10/6
https://openwall.com/lists/oss-security/2011/03/10/7
https://openwall.com/lists/oss-security/2011/03/11/3
https://openwall.com/lists/oss-security/2011/03/11/5
https://openwall.com/lists/oss-security/2011/03/14/26
https://openwall.com/lists/oss-security/2011/03/23/11
https://secunia.com/advisories/43955
https://www.mandriva.com/security/advisories?name=MDVSA-2011:065
https://www.redhat.com/support/errata/RHSA-2011-0407.html
https://www.vupen.com/english/advisories/2011/0791
https://www.vupen.com/english/advisories/2011/0872
https://www.vupen.com/english/advisories/2011/0961
https://bugzilla.redhat.com/show_bug.cgi?id=680798

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.