Improper validation of certificate with host mismatch in pjsip - CVE-2020-15260
Published: May 4, 2022
Vulnerability identifier: #VU62781
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15260
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper remote hostname authentication. A remote attacker can perform a man-in-the-middle attack and route a connection to another destination.
Affected software
pjsip
Gentoo Linux
Ubuntu
pjproject (Ubuntu package)
net-libs/pjproject
Gentoo Linux
Ubuntu
pjproject (Ubuntu package)
net-libs/pjproject
How to mitigate CVE-2020-15260
Install updates from vendor's website.
pjsip - update to 2.11
pjproject (Ubuntu package) - addressed in versions 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1, 2.7.2~dfsg-1ubuntu0.1~esm1
net-libs/pjproject - update to 2.10-r1
pjproject (Ubuntu package) - addressed in versions 2.1.0.0.ast20130823-1+deb8u1ubuntu0.1~esm1, 2.7.2~dfsg-1ubuntu0.1~esm1
net-libs/pjproject - update to 2.10-r1