Cleartext transmission of sensitive information in mutt (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-28896 |
| CWE-ID | CWE-319 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
mutt (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Cleartext transmission of sensitive information
EUVDB-ID: #VU48662
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-28896
CWE-ID:
CWE-319 - Cleartext Transmission of Sensitive Information
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software does not ensure that $ssl_force_tls is processed if an IMAP server's initial
server response is invalid. As a result, the connection is not properly closed, and
the application continues authentication attempts. A remote attacker with ability to intercept traffic can perform a MitM attack and gain access to victim's credentials.
Install update from vendor's website.
Vulnerable software versionsmutt (Alpine package): 2.0.1-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=4549c76c84104bbf468d473af219f1df8121e3eb
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).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
