70351 : Cisco IOS UDP Crafted SIP REGISTER Message Remote DoS
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Timeline

Disclosure Date
2010-12-28

Description

Cisco IOS contains a flaw that may allow a remote denial of service. The issue is triggered when a memory leak occurs, allowing a remote attacker to cause a memory consumption denial of service via a crafted SIP register message over UDP.

Classification

Location: Remote / Network Access
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 15.0(1)XA5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.
Cisco IOS
15.0(1)XA4

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.8
Source: nvd.nist.gov | Generated: 2011-01-10 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_2

Comments

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