CVE-2009-2051
High
Description
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Cisco Unified Communications Manager
PublishedAug 27, 2009
First seenAug 27, 2009
How to fix
Update
- cisco unified_communications_manager5.1\(3g\), 6.1\(4\), 7.1\(2\) or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco unified_communications_manager | 5.0 ≤ v < 5.1\(3g\), 6.1\(1\) ≤ v < 6.1\(4\), 7.1 ≤ v < 7.1\(2\) | 5.1\(3g\), 6.1\(4\), 7.1\(2\) |
| cisco ios | 12.2 ≤ v ≤ 12.4, 15.0 ≤ v ≤ 15.1 | — |
| cisco ios_xe | 2.5.0 ≤ v ≤ 2.6.1 | — |
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