Cisco Bug: CSCur02734 - IOS-XE evaluation for CVE-2014-6271 and CVE-2014-7169
Sep 17, 2019
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
15.2(4)S 15.2(4)S6 15.3(3)S 15.3(3)S4 15.4(1)S 15.4(1)S2 15.4(2)S 15.4(2)S1 15.4(3)S
Symptom: The following Cisco products running IOS-XE software Cisco ASR 1000 Series Aggregation Services Router Cisco ASR 920 Series Aggregation Services Router Cisco ASR 900 Series Aggregation Services Router Cisco 4400 Series Integrated Services Routers Cisco 4300 Series Integrated Services Routers Cisco Cloud Services Router 1000V Series include a version of bash that is affected by the vulnerabilities identified by the Common Vulnerability and Exposures (CVE) IDs: CVE-2014-6271 CVE-2014-6277 CVE-2014-6278 CVE-2014-7169 CVE-2014-7186 CVE-2014-7187 This bug has been opened to address the potential impact on this product. Conditions: In all version before the Known Fixed Releases with either The Persistent SSH feature enabled The Persistent telnet feature enabled Information on the Persistent SSH & persistent telnet feature is available on : http://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/chassis/asrswcfg/Console_Telnet_SSH_Handling.html#pgfId-1057023 The Persistent SSH or Persistent telnet feature is only available on the Management interface (GigabitEthernet0) in the VRF Mgmt-intf. With Persistent SSH, a user must first successfully log in and authenticate via SSH to trigger this vulnerability. With Persistent telnet, an unauthenticated user can exploit this vulnerability Other conditions may exist. This release note will be updated if other attack vectors are discovered.
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Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
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