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Cisco NX-OS Directory Traversal Vulnerability

Cisco-SA-20131219-CVE-2012-4135 · Medium · Published · Updated

A vulnerability in the Command Line Interface (CLI) of the Cisco NX-OS Software could allow an authenticated, local attacker to delete arbitrary files on the device. The vulnerability is due to improper filtering of user input. An attacker could exploit this vulnerability by leveraging the filesys delete command to perform a directory traversal attack. An exploit could allow the attacker to delete arbitrary files on an affected device. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. To exploit this vulnerability, an attacker must have local access to the targeted device. This access requirement decreases the likelihood of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.

Cisco advisory · CSAF JSON

Workarounds

Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to access local systems.

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators are advised to monitor affected systems.

CVEsCVE-2012-4135
Cisco Bug IDsCSCty07270, CSCty07271, CSCty07273, CSCty07275
CVSS ScoreBase 4.6
Base 4.6 AV:L/AC:L/Au:S/C:N/I:C/A:N/E:F/RL:U/RC:C
Product Names From Source
Cisco Virtual Security Gateway for Nexus 1000V Series Switches, Cisco Nexus 1000V InterCloud for VMware, Cisco NX-OS Software 4.1(2), Cisco NX-OS Software 4.1(3), Cisco NX-OS Software 4.1(4), Cisco NX-OS Software 4.1(5), Cisco NX-OS Software 5.0(2a), Cisco NX-OS Software 5.0(3), Cisco NX-OS Software 5.0(5), Cisco NX-OS Software 4.2(2a), Cisco NX-OS Software 4.2(3), Cisco NX-OS Software 4.2(4), Cisco NX-OS Software 4.2(6), Cisco NX-OS Software 4.2(8), Cisco NX-OS Software 5.1(1), Cisco NX-OS Software 5.1(1a), Cisco NX-OS Software 5.1(3), Cisco NX-OS Software 5.1(4), Cisco NX-OS Software 5.1(5), Cisco NX-OS Software 5.1(6), Cisco NX-OS Software 5.2(1), Cisco NX-OS Software 5.2(3a), Cisco NX-OS Software 5.2(4), Cisco NX-OS Software 5.2(5), Cisco NX-OS Software 5.2(7), Cisco NX-OS Software 5.2(9), Cisco NX-OS Software 6.1(1), Cisco NX-OS Software 6.1(2), Cisco NX-OS Software 4.0(0)N1(1a), Cisco NX-OS Software 4.0(0)N1(2), Cisco NX-OS Software 4.0(0)N1(2a), Cisco NX-OS Software 4.0(1a)N1(1), Cisco NX-OS Software 4.0(1a)N1(1a), Cisco NX-OS Software 4.0(1a)N2(1), Cisco NX-OS Software 4.0(1a)N2(1a), Cisco NX-OS Software 4.1(3)N1(1), Cisco NX-OS Software 4.1(3)N1(1a), Cisco NX-OS Software 4.1(3)N2(1), Cisco NX-OS Software 4.1(3)N2(1a), Cisco NX-OS Software 4.2(1)N1(1), Cisco NX-OS Software 4.2(1)N2(1), Cisco NX-OS Software 4.2(1)N2(1a), Cisco NX-OS Software 5.0(2)N1(1), Cisco NX-OS Software 5.0(2)N2(1), Cisco NX-OS Software 5.0(2)N2(1a), Cisco NX-OS Software 5.0(3)N1(1c), Cisco NX-OS Software 5.0(3)N2(1), Cisco NX-OS Software 5.0(3)N2(2), Cisco NX-OS Software 5.0(3)N2(2a), Cisco NX-OS Software 5.0(3)N2(2b), Cisco NX-OS Software 5.0(3)U1(1), Cisco NX-OS Software 5.0(3)U1(1a), Cisco NX-OS Software 5.0(3)U1(1b), Cisco NX-OS Software 5.0(3)U1(1d), Cisco NX-OS Software 5.0(3)U1(2), Cisco NX-OS Software 5.0(3)U1(2a), Cisco NX-OS Software 5.0(3)U2(1), Cisco NX-OS Software 5.0(3)U2(2), Cisco NX-OS Software 5.0(3)U2(2a), Cisco NX-OS Software 5.0(3)U2(2b), Cisco NX-OS Software 5.0(3)U2(2c), Cisco NX-OS Software 5.0(3)U2(2d), Cisco NX-OS Software 5.0(3)U3(1), Cisco NX-OS Software 5.0(3)U3(2), Cisco NX-OS Software 5.0(3)U3(2a), Cisco NX-OS Software 5.0(3)U3(2b), Cisco NX-OS Software 5.0(3)U4(1), Cisco NX-OS Software 5.0(3)U5(1), Cisco NX-OS Software 5.1(3)N1(1), Cisco NX-OS Software 5.1(3)N1(1a), Cisco NX-OS Software 5.1(3)N2(1), Cisco NX-OS Software 5.1(3)N2(1a), Cisco NX-OS Software 5.1(3)N2(1b), Cisco NX-OS Software 5.1(3)N2(1c), Cisco NX-OS Software 5.2(1)N1(1), Cisco NX-OS Software 5.2(1)N1(1a), Cisco NX-OS Software 5.2(1)N1(1b), Cisco NX-OS Software 5.2(1)N1(2), Cisco NX-OS Software 5.2(1)N1(2a), Cisco NX-OS Software 5.2(1)N1(3), Cisco NX-OS Software 5.2(1)N1(4), Cisco NX-OS Software 5.2(1)N1(5), Cisco NX-OS Software 5.2(1)N1(6), Cisco NX-OS Software 5.2(1)SM1(5.1), Cisco NX-OS Software 6.0(1), Cisco NX-OS Software 6.0(2), Cisco NX-OS Software 6.0(3), Cisco NX-OS Software 6.0(4), Cisco NX-OS Software

Related Products

Product CVE Evidence
Cisco Virtual Security Gateway for Nexus 1000V Series Switches CVE-2012-4135 Cisco OpenVuln
Cisco Nexus 1000V InterCloud for VMware CVE-2012-4135 Cisco OpenVuln
Cisco NX-OS Software CVE-2012-4135 Cisco OpenVuln