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ubuntucveUbuntu.comUB:CVE-2011-4623
HistoryDec 23, 2011 - 12:00 a.m.

CVE-2011-4623

2011-12-2300:00:00
ubuntu.com
ubuntu.com
14

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.1%

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.

Bugs

Notes

Author Note
tyhicks The imfile module is built in Lucid and newer, but is not loaded in the default rsyslog config file.
jdstrand introduced with d2d54013aebb756169182ed8716b142d27134a70 (part of 4.5.0)
OSVersionArchitecturePackageVersionFilename
ubuntu11.04noarchrsyslog< 4.6.4-2ubuntu4.2UNKNOWN

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.1%