Vulnerability Monitor

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CVE-2011-1089

The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296.

Published

2011-04-10T02:55:01.367

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.3 (LOW)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

4.9

Weaknesses

Type: Primary
CWE-16

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	≤ 2.13	Yes
Application	gnu	glibc	1.00	Yes
Application	gnu	glibc	1.01	Yes
Application	gnu	glibc	1.02	Yes
Application	gnu	glibc	1.03	Yes
Application	gnu	glibc	1.04	Yes
Application	gnu	glibc	1.05	Yes
Application	gnu	glibc	1.06	Yes
Application	gnu	glibc	1.07	Yes
Application	gnu	glibc	1.08	Yes
Application	gnu	glibc	1.09	Yes
Application	gnu	glibc	1.09.1	Yes
Application	gnu	glibc	2.0	Yes
Application	gnu	glibc	2.0.1	Yes
Application	gnu	glibc	2.0.2	Yes
Application	gnu	glibc	2.0.3	Yes
Application	gnu	glibc	2.0.4	Yes
Application	gnu	glibc	2.0.5	Yes
Application	gnu	glibc	2.0.6	Yes
Application	gnu	glibc	2.1	Yes
Application	gnu	glibc	2.1.1	Yes
Application	gnu	glibc	2.1.1.6	Yes
Application	gnu	glibc	2.1.2	Yes
Application	gnu	glibc	2.1.3	Yes
Application	gnu	glibc	2.1.3.10	Yes
Application	gnu	glibc	2.1.9	Yes
Application	gnu	glibc	2.2	Yes
Application	gnu	glibc	2.2.1	Yes
Application	gnu	glibc	2.2.2	Yes
Application	gnu	glibc	2.2.3	Yes
Application	gnu	glibc	2.2.4	Yes
Application	gnu	glibc	2.2.5	Yes
Application	gnu	glibc	2.3	Yes
Application	gnu	glibc	2.3.1	Yes
Application	gnu	glibc	2.3.2	Yes
Application	gnu	glibc	2.3.3	Yes
Application	gnu	glibc	2.3.4	Yes
Application	gnu	glibc	2.3.5	Yes
Application	gnu	glibc	2.3.6	Yes
Application	gnu	glibc	2.3.10	Yes
Application	gnu	glibc	2.4	Yes
Application	gnu	glibc	2.5	Yes
Application	gnu	glibc	2.5.1	Yes
Application	gnu	glibc	2.6	Yes
Application	gnu	glibc	2.6.1	Yes
Application	gnu	glibc	2.7	Yes
Application	gnu	glibc	2.8	Yes
Application	gnu	glibc	2.9	Yes
Application	gnu	glibc	2.10	Yes
Application	gnu	glibc	2.10.1	Yes
Application	gnu	glibc	2.10.2	Yes
Application	gnu	glibc	2.11	Yes
Application	gnu	glibc	2.11.1	Yes
Application	gnu	glibc	2.11.2	Yes
Application	gnu	glibc	2.11.3	Yes
Application	gnu	glibc	2.12.0	Yes
Application	gnu	glibc	2.12.1	Yes
Application	gnu	glibc	2.12.2	Yes

References

http://openwall.com/lists/oss-security/2011/03/04/10 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/04/11 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/04/12 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/04/9 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/05/3 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/05/7 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/07/9 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/14/16 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/14/5 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/14/7 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/15/6 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/22/4 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/22/6 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/31/3 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/03/31/4 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/04/01/2 Mailing List, Third Party Advisory ([email protected])
http://sourceware.org/bugzilla/show_bug.cgi?id=12625 Issue Tracking ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178 Broken Link ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2011:179 Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-1526.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/46740 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=688980 Issue Tracking ([email protected])
http://openwall.com/lists/oss-security/2011/03/04/10 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/04/11 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/04/12 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/04/9 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/05/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/05/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/07/9 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/14/16 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/14/5 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/14/7 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/15/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/22/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/22/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/31/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/03/31/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/04/01/2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://sourceware.org/bugzilla/show_bug.cgi?id=12625 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2011:179 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-1526.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/46740 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=688980 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)