PT-2013-6080 · Cisco · Cisco Ios

Published 2013-11-21 · Updated 2013-11-22 · CVE-2013-6693

Positive Technologies (AI Summary)

CVSS v2.0

5.4

Medium

Base vector

AV:N/AC:H/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 15.3(3)S and earlier

Description A denial of service issue exists due to chunk corruption when MLDP and a large number of VRFs are configured on a device. An attacker could exploit this by sending a large number of multicast flows over configured VRF instances, leading to a device reload and a denial of service condition. The attacker would likely need access to trusted, internal networks to successfully exploit this issue.

Recommendations For Cisco IOS versions 15.3(3)S and earlier, update to a newer version that includes the fix for this issue, as confirmed by Cisco in their security notice.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2013-6693

Affected Products

Cisco Ios

References · 4

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6693 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-6693 · Security Note
• http://tools.cisco.com/security/center/viewAlert.x?alertId=31861 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20131121-CVE-2013-6693 · Note