Multiple vulnerabilities in Mutt
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-14093 CVE-2020-14154 |
| CWE-ID | CWE-300 CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Mutt Client/Desktop applications / Office applications |
| Vendor | Mutt.org |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Man-in-the-Middle (MitM) attack
EUVDB-ID: #VU29423
Risk: Low
CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14093
CWE-ID:
CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a Man-in-the-Middle (MitM) attack.
The vulnerability exists within the IMAP fcc/postpone when processing PREAUTH responses. A remote attacker with ability to intercept traffic can perform a Man-in-the-Middle (MitM) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMutt: 1.14 - 1.14.2
External linkshttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.html
http://www.mutt.org
http://bugs.gentoo.org/728300
http://github.com/muttmua/mutt/commit/3e88866dc60b5fa6aaba6fd7c1710c12c1c3cd01
http://www.debian.org/security/2020/dsa-4707
http://www.debian.org/security/2020/dsa-4708
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper Certificate Validation
EUVDB-ID: #VU29424
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14154
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a man-in-the-Middle (MitM) attack.
The vulnerability exists due to improper certificate validation in mutt. The application proceeds with the connection eve if in response to a GnuTLS certificate prompt the user rejects an expired intermediate certificate.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMutt: 1.14 - 1.14.2
External linkshttp://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20200608/000022.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00064.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00070.html
http://www.mutt.org
http://bugs.gentoo.org/728300
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website or open a file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
