CVE-2011-1098: Race Condition
First published: Sun Feb 27 2011(Updated: )
It was found that logrotate utility used insecure default permissions, when creating of new files (time-of-check, time-of-use, TOCTOU race condition). In some specific configurations, a local attacker could use this flaw to open the new file before the final permissions have been applied, leading to disclosure of sensitive information.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Logrotate | =3.6.5 | |
| Logrotate | =3.7.8 | |
| Logrotate | =3.5.9-r1 | |
| Logrotate | =3.7.6 | |
| Logrotate | =3.3-r2 | |
| Logrotate | =3.7.2 | |
| Logrotate | =3.7 | |
| Logrotate | =3.7.1-r2 | |
| Logrotate | =3.6.5-r1 | |
| Logrotate | =3.5.9 | |
| Logrotate | =3.7.1-r1 | |
| Logrotate | <=3.7.9 | |
| Logrotate | =3.7.1 | |
| Logrotate | =3.7.7 |
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Reference Links
- 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/2011/03/05/6
- http://openwall.com/lists/oss-security/2011/03/23/11
- http://openwall.com/lists/oss-security/2011/03/04/29
- https://bugzilla.redhat.com/show_bug.cgi?id=680798
- http://openwall.com/lists/oss-security/2011/03/04/32
- http://openwall.com/lists/oss-security/2011/03/04/28
- http://openwall.com/lists/oss-security/2011/03/06/4
- http://openwall.com/lists/oss-security/2011/03/04/16
- http://openwall.com/lists/oss-security/2011/03/06/5
- http://openwall.com/lists/oss-security/2011/03/08/5
- http://openwall.com/lists/oss-security/2011/03/11/3
- http://openwall.com/lists/oss-security/2011/03/11/5
- http://openwall.com/lists/oss-security/2011/03/10/7
- http://openwall.com/lists/oss-security/2011/03/06/6
- http://openwall.com/lists/oss-security/2011/03/07/5
- http://www.vupen.com/english/advisories/2011/0791
- http://openwall.com/lists/oss-security/2011/03/07/11
- http://openwall.com/lists/oss-security/2011/03/05/8
- http://openwall.com/lists/oss-security/2011/03/04/25
- http://openwall.com/lists/oss-security/2011/03/04/33
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056992.html
- http://openwall.com/lists/oss-security/2011/03/06/3
- http://openwall.com/lists/oss-security/2011/03/04/30
- http://openwall.com/lists/oss-security/2011/03/10/3
- http://openwall.com/lists/oss-security/2011/03/07/6
- http://openwall.com/lists/oss-security/2011/03/04/18
- http://openwall.com/lists/oss-security/2011/03/10/2
- http://openwall.com/lists/oss-security/2011/03/04/24
- http://openwall.com/lists/oss-security/2011/03/14/26
- http://openwall.com/lists/oss-security/2011/03/04/17
- http://openwall.com/lists/oss-security/2011/03/04/27
- http://openwall.com/lists/oss-security/2011/03/04/31
- http://openwall.com/lists/oss-security/2011/03/04/26
- http://openwall.com/lists/oss-security/2011/03/10/6
- http://openwall.com/lists/oss-security/2011/03/05/4
- http://secunia.com/advisories/43955
- http://www.vupen.com/english/advisories/2011/0961
- http://www.redhat.com/support/errata/RHSA-2011-0407.html
- http://www.vupen.com/english/advisories/2011/0872
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057845.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:065
- https://access.redhat.com/security/cve/CVE-2011-1098
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=485707&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=485707&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=680798#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=688520
- https://rhn.redhat.com/errata/RHSA-2011-0407.html
Frequently Asked Questions
What is the severity of CVE-2011-1098?
CVE-2011-1098 has a medium severity rating due to its potential to allow local attackers to exploit a TOCTOU race condition.
How do I fix CVE-2011-1098?
To fix CVE-2011-1098, update the logrotate utility to a patched version or adjust file permissions to prevent race conditions.
What software versions are affected by CVE-2011-1098?
CVE-2011-1098 affects multiple versions of logrotate including 3.3, 3.5.9, 3.6.5, and various 3.7.x versions.
Who is impacted by CVE-2011-1098?
Users with vulnerable logrotate configurations, particularly in unsecure environments, are impacted by CVE-2011-1098.
What types of attacks can CVE-2011-1098 facilitate?
CVE-2011-1098 can facilitate local privilege escalation attacks by allowing an attacker to open new log files before permissions are properly set.
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- source/MITRE
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- source/Red Hat
- alias/CVE-2011-1098
- agent/severity
- agent/last-modified-date
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- agent/event
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- agent/weakness
- agent/softwarecombine
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/gentoo
- canonical/logrotate
- version/logrotate/3.6.5
- version/logrotate/3.7.8
- version/logrotate/3.5.9-r1
- version/logrotate/3.7.6
- version/logrotate/3.3-r2
- version/logrotate/3.7.2
- version/logrotate/3.7
- version/logrotate/3.7.1-r2
- version/logrotate/3.6.5-r1
- version/logrotate/3.5.9
- version/logrotate/3.7.1-r1
- version/logrotate/3.7.9
- version/logrotate/3.7.1
- version/logrotate/3.7.7