CVE-2013-5503 — HIGH (7.8) — White Hats Nepal

Vulnerability Description

The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to listening ports, aka Bug ID CSCue69413.

CVSS Score

7.8

HIGH

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

Confidentiality

NONE

Integrity

NONE

Availability

COMPLETE

Affected Products

Vendor	Product	Versions
Cisco	Ios Xr	4.3.1

Related Weaknesses (CWE)

CWE-399

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-2013-5503?

CVE-2013-5503 is a vulnerability with a CVSS score of 7.8 (HIGH). The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to ...

How severe is CVE-2013-5503?

CVE-2013-5503 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-5503?

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