CVE-2012-1342
published 2012-08-06CVE-2012-1342: Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.
PriorityP431medium5.8CVSS 3.1
AVNACLPRNUINSCCNILAN
EPSS
1.50%
71.6th percentile
Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | carrier_routing_system | — | — |
| cisco | carrier_routing_system | — | — |
| cisco | carrier_routing_system | — | — |
CVSS provenance
nvdv3.15.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
vendor_cisco5.8MEDIUM
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Cisco
Cisco Carrier Routing System Security Bypass Vulnerability
vendor_cisco·2012-08-10·CVSS 5.8
CVE-2012-1342 [MEDIUM] CWE-264 Cisco Carrier Routing System Security Bypass Vulnerability
Cisco Carrier Routing System Security Bypass Vulnerability
Cisco Carrier Routing System contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security protections and gain unauthorized network access.
The vulnerability is due to improper handling of IP version 4 (IPv4) fragments in the affected device. An unauthenticated, remote attacker could exploit this vulnerability by sending malicious requests to the device. When processed, the requests could bypass access control entries (ACEs), allowing the attacker to send network requests to restricted network segments.
Cisco has confirmed this vulnerability and released software updates.
The vulnerability affects only systems that use ACLs to restrict access to specific network segments or hosts and only fo
GHSA
GHSA-jxf6-q59w-r36q: Cisco Carrier Routing System (CRS) 3
ghsa_unreviewed·2022-05-13
CVE-2012-1342 [MEDIUM] CWE-863 GHSA-jxf6-q59w-r36q: Cisco Carrier Routing System (CRS) 3
Cisco Carrier Routing System (CRS) 3.9, 4.0, and 4.1 allows remote attackers to bypass ACL entries via fragmented packets, aka Bug ID CSCtj10975.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.cisco.com/cisco/software/release.html?mdfid=279506669&catid=268437899&flowid=1915&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577http://www.cisco.com/cisco/software/release.html?mdfid=279506669&catid=268437899&flowid=1915&reltype=all&relind=AVAILABLE&release=3.9.2&softwareid=280867577
2012-08-06
Published