PT-2020-7069 · Linksys · Linksys Spa2102

Sandro Gauci · Published 2020-02-12 · Updated 2020-02-14 · CVE-2009-5140

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linksys SPA2102 phone adapter (affected versions not specified)

Description The SIP implementation provides hashed credentials in a response to an invalid authentication challenge, making it easier for remote attackers to obtain access via a brute-force attack, related to a "SIP Digest Leak" issue.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

Related Identifiers

CVE-2009-5140

Affected Products

Linksys Spa2102

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2009-5140 · Security Note
• https://t.me/cvenotify/910 · Telegram Post
• http://voipsa.org/pipermail/voipsec_voipsa.org/2009-April/002946.html · Note
• https://resources.enablesecurity.com/resources/sipdigestleak-tut.pdf · Note
• https://t.me/cibsecurity/9784 · Telegram Post