Junos Stack Exhaustion Denial of Service Vulnerability

Published: 2014-01-09 15:21:03
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

Summary:
Denial of Service vulnerability due to stack exhaustion in glibc used by Junos

Detection Method:
Checks if a vulnerable OS build is present on the target host.

Technical Details:
A stack consumption vulnerability in the regcomp implementation in the GNU C Library allows an attacker to cause a denial of service via a regular expression containing adjacent repetition operators or adjacent bounded repetitions. Junos uses regular expressions in several places within the CLI.

Impact:
Local attackers can cause a partial denial of service on services provided by rpd.

Affected Versions:
Junos OS 10.4, 11.4, 12.1, 12.2, 12.3, 13.1, 13.2, 13.3

Recommendations:
New builds of Junos OS software are available from Juniper.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2010-4051
https://nvd.nist.gov/vuln/detail/CVE-2010-4052

SecurityFocus Bugtraq ID:

https://www.securityfocus.com/bid/45233

References:

http://kb.juniper.net/JSA10612
http://www.securityfocus.com/bid/45233

Severity
Medium
CVSS Score
5.0
Published
2014-01-09
Modified
2018-10-25
Category
JunOS Local Security Checks

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