Description
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.
Affected products
- Cisco / IOS12.0(32)s12 – 12.0(32)s12
- Cisco / IOS12.0(32)s13 – 12.0(32)s13
- Cisco / IOS12.0(32)sy8 – 12.0(32)sy8
- Cisco / IOS12.0(32)sy9 – 12.0(32)sy9
- Cisco / IOS12.0(33)s3 – 12.0(33)s3
- Cisco / IOS12.0(33)s4 – 12.0(33)s4
- Cisco / IOS12.2(33)sxi1 – 12.2(33)sxi1
- Cisco / IOS12.2(33)sxi2 – 12.2(33)sxi2
- Cisco / IOS12.2xnc – 12.2xnc
- Cisco / IOS12.2xnd – 12.2xnd
- Cisco / IOS12.4(24)t1 – 12.4(24)t1
- Cisco / ios_xe2.3 – 2.3
- Cisco / ios_xe2.3.1t – 2.3.1t
- Cisco / ios_xe2.4 – 2.4
- Cisco / ios_xe2.4.0 – 2.4.0
References
- VENDOR_ADVISORYhttp://www.cisco.com/en/US/products/products_security_advisory09186a0080aea4c9.shtml
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6853
- VENDOR_ADVISORYhttp://secunia.com/advisories/36046
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2009/2082
- MISChttp://www.securitytracker.com/id?1022619
- MISChttp://www.securityfocus.com/bid/35860