CVE-2013-5549 — HIGH (7.1) — White Hats Nepal

Vulnerability Description

Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of service (transmission outage) via (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCuh30380.

CVSS Score

7.1

HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality

NONE

Integrity

NONE

Availability

COMPLETE

Affected Products

Vendor	Product	Versions
Cisco	Ios Xr	3.8.1

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory

FAQ

What is CVE-2013-5549?

CVE-2013-5549 is a vulnerability with a CVSS score of 7.1 (HIGH). Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of servi...

How severe is CVE-2013-5549?

CVE-2013-5549 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-5549?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr.