PT-2014-5268 · Cisco · Cisco Ios Xr

Published 2014-09-19 · Updated 2017-08-29 · CVE-2014-3378

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco IOS XR versions 5.1 and earlier

Description A vulnerability in TACACS+ processing allows an unauthenticated, remote attacker to cause a reload of the TACACS+ daemon (tacacsd) on the affected device. The issue is due to improper parsing of a malformed TACACS+ packet. An attacker could exploit this by sending a malformed packet to be processed by an affected device, potentially causing a reload of the TACACS+ process. The attacker may need access to internal networks and additional information about the device's configuration to exploit this issue.

Recommendations For Cisco IOS XR versions 5.1 and earlier, update to a newer version that includes the fix for this issue, as confirmed by Cisco in their security notice. As a temporary workaround, consider restricting access to the TACACS+ daemon to minimize the risk of exploitation.

Fix

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2014-3378

Affected Products

Cisco Ios Xr

References · 9

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3378 · Vendor Advisory
• http://tools.cisco.com/security/center/viewAlert.x?alertId=35775 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2014-3378 · Security Note
• http://securityfocus.com/bid/69957 · Note
• http://securitytracker.com/id/1030878 · Note
• http://secunia.com/advisories/59632 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/96067 · Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/Cisco-SA-20140919-CVE-2014-3378 · Note
• http://secunia.com/advisories/59649 · Note