CVE-2011-4623

Severity

21%

Complexity

39%

Confidentiality

48%

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:P).

Overview

Type

RSYSLOG

First reported 12 years ago

2012-09-25 23:55:00

Last updated 12 years ago

2012-09-26 04:00:00

Affected Software

RSYSLOG 4.1.0

4.1.0

RSYSLOG 4.1.1

4.1.1

RSYSLOG 4.1.2

4.1.2

RSYSLOG 4.1.3

4.1.3

RSYSLOG 4.1.4

4.1.4

RSYSLOG 4.1.5

4.1.5

RSYSLOG 4.1.6

4.1.6

RSYSLOG 4.1.7

4.1.7

RSYSLOG 4.2.0

4.2.0

RSYSLOG 4.3.0

4.3.0

RSYSLOG 4.3.1

4.3.1

RSYSLOG 4.3.2

4.3.2

RSYSLOG 4.4.0

4.4.0

RSYSLOG 4.4.1

4.4.1

RSYSLOG 4.4.2

4.4.2

RSYSLOG 4.5.0

4.5.0

RSYSLOG 4.5.1

4.5.1

RSYSLOG 4.5.2

4.5.2

RSYSLOG 4.5.3

4.5.3

RSYSLOG 4.5.4

4.5.4

RSYSLOG 4.5.5

4.5.5

RSYSLOG 4.5.6

4.5.6

RSYSLOG 4.5.7

4.5.7

RSYSLOG 4.5.8

4.5.8

RSYSLOG 4.6.0

4.6.0

RSYSLOG 4.6.1

4.6.1

RSYSLOG 4.6.2

4.6.2

RSYSLOG 4.6.3

4.6.3

RSYSLOG 4.6.5

4.6.5

RSYSLOG 5.1.0

5.1.0

RSYSLOG 5.1.1

5.1.1

RSYSLOG 5.1.2

5.1.2

RSYSLOG 5.1.3

5.1.3

RSYSLOG 5.1.4

5.1.4

RSYSLOG 5.1.5

5.1.5

RSYSLOG 5.1.6

5.1.6

RSYSLOG 5.2.0

5.2.0

RSYSLOG 5.3.1

5.3.1

RSYSLOG 5.3.2

5.3.2

RSYSLOG 5.3.3

5.3.3

RSYSLOG 5.3.4

5.3.4

RSYSLOG 5.3.5

5.3.5

RSYSLOG 5.3.6

5.3.6

RSYSLOG 5.3.7

5.3.7

RSYSLOG 5.4.0

5.4.0

RSYSLOG 5.5.0

5.5.0

RSYSLOG 5.5.1

5.5.1

RSYSLOG 5.5.2

5.5.2

RSYSLOG 5.5.3

5.5.3

RSYSLOG 5.5.4

5.5.4

RSYSLOG 5.5.5

5.5.5

RSYSLOG 5.5.6

5.5.6

RSYSLOG 5.5.7

5.5.7

RSYSLOG 5.6.0

5.6.0

RSYSLOG 5.6.1

5.6.1

RSYSLOG 5.6.2

5.6.2

RSYSLOG 5.6.3

5.6.3

RSYSLOG 5.6.4

5.6.4

RSYSLOG 5.6.5

5.6.5

RSYSLOG 5.7.0

5.7.0

RSYSLOG 5.7.1

5.7.1

RSYSLOG 5.7.2

5.7.2

RSYSLOG 5.7.3

5.7.3

RSYSLOG 6.1.0

6.1.0

RSYSLOG 6.1.1

6.1.1

RSYSLOG 6.1.2

6.1.2

RSYSLOG 6.1.3

6.1.3

References

http://bugzilla.adiscon.com/show_bug.cgi?id=221

http://git.adiscon.com/?p=rsyslog.git;a=commit;h=6bad782f154b7f838c7371bf99c13f6dc4ec4101

http://rsyslog.com/changelog-for-4-6-6-v4-stable/

http://rsyslog.com/changelog-for-5-7-4-v5-beta/

http://rsyslog.com/changelog-for-6-1-4-devel/

45848

Vendor Advisory

47698

Vendor Advisory

[oss-security] 20111222 Re: CVE Request -- rsyslog -- DoS due integer signedness error while extending rsyslog counted string buffer

51171

1026556

USN-1338-1

Patch, Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=769822

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