Input validation error in claws-mail - CVE-2020-15917

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Main Vulnerability Database Vulnerabilities #VU32987

Input validation error in claws-mail - CVE-2020-15917

Published: August 3, 2020


Vulnerability identifier: #VU32987
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-15917
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the system

The vulnerability exists due to a protocol violation in "common/session.c "file when suffix data after STARTTLS is mishandled. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.


Affected software

claws-mail
Gentoo Linux
SUSE Linux
Opensuse
Fedora
claws-mail (Alpine package)
claws-mail

How to mitigate CVE-2020-15917

Install updates from vendor's website.

claws-mail - update to 3.17.6
claws-mail - addressed in versions 3.17.6-1.fc31, 3.17.6-1.fc32

External References

Related Security Bulletins