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Vulnerability Details : CVE-2020-15260

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.10 and earlier, PJSIP transport can be reused if they have the same IP address + port + protocol. However, this is insufficient for secure transport since it lacks remote hostname authentication. Suppose we have created a TLS connection to `sip.foo.com`, which has an IP address `100.1.1.1`. If we want to create a TLS connection to another hostname, say `sip.bar.com`, which has the same IP address, then it will reuse that existing connection, even though `100.1.1.1` does not have certificate to authenticate as `sip.bar.com`. The vulnerability allows for an insecure interaction without user awareness. It affects users who need access to connections to different destinations that translate to the same address, and allows man-in-the-middle attack if attacker can route a connection to another destination such as in the case of DNS spoofing.
Publish Date : 2021-03-10 Last Update Date : 2021-07-20
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 297

- Products Affected By CVE-2020-15260

# Product Type Vendor Product Version Update Edition Language
1 Application Teluu Pjsip * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Teluu Pjsip 1

- References For CVE-2020-15260

https://github.com/pjsip/pjproject/security/advisories/GHSA-8hcp-hm38-mfph CONFIRM
https://github.com/pjsip/pjproject/pull/2663
https://github.com/pjsip/pjproject/commit/67e46c1ac45ad784db5b9080f5ed8b133c122872

- Metasploit Modules Related To CVE-2020-15260

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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