CVE-2007-5469

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-16 · updated 2026-06-16
Weakness: CWE-264

Description

OpenSER 1.2.2 does not verify the Digest authentication header URI against the Request URI in SIP messages, which allows remote attackers to use sniffed Digest authentication credentials to call arbitrary telephone numbers or spoof caller ID (aka "toll fraud and authentication forward attack"). NOTE: Debian disputes this issue, stating that "having the two URIs mismatch is allowed by the standard and happens in some setups for valid reasons.

Affected products

Openser: 1.2.2

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446956
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066581.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066691.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066694.html
http://secunia.com/advisories/27204
http://www.securityfocus.com/bid/26057
https://exchange.xforce.ibmcloud.com/vulnerabilities/37197
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=446956
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066581.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066691.html
http://lists.grok.org.uk/pipermail/full-disclosure/2007-October/066694.html
http://secunia.com/advisories/27204

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