#VU32987 Input validation error in claws-mail - CVE-2020-15917
Published: August 3, 2020
Vulnerability identifier: #VU32987
Vulnerability risk: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-15917
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
claws-mail
claws-mail
Software vendor:
www.claws-mail.org
www.claws-mail.org
Description
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.
Remediation
Install updates from vendor's website.
External links
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html
- https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES
- https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- https://security.gentoo.org/glsa/202007-56