CVE-2012-5445

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-12-28 · updated 2026-06-16
Weakness: CWE-20

Description

The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary.

Affected products

Cisco Skinny Client Control Protocol Software: through 9.2\(4\); 1.0(1), 1.0(2), 1.0(2)-sr1, 1.0(3), 1.0(4), 1.0(5) (+132)
Cisco Unified Ip Phone: 7906g, 7911g, 7935, 7936, 7940, 7940g (+6)
Cisco Unified Ip Phone 7906G: 7911g, 7941g, 7961g, 7970g, 7971g

References

http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone
http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone

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