PT-2023-11790 · Citadel · Citadel

Murgi · Published 2023-05-29 · Updated 2025-01-14 · CVE-2020-29547

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Citadel through webcit-926

Description An issue allows meddler-in-the-middle attackers to pipeline commands after POP3 STLS, IMAP STARTTLS, or SMTP STARTTLS commands, injecting cleartext commands into an encrypted user session. This can lead to credential disclosure.

Recommendations For Citadel through webcit-926, consider disabling the use of POP3 STLS, IMAP STARTTLS, or SMTP STARTTLS commands until a patch is available to prevent cleartext command injection. Restrict access to sensitive user sessions to minimize the risk of credential disclosure. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2020-29547

Affected Products

Citadel

References · 10

• https://ubuntu.com/security/CVE-2020-29547 · Vendor Advisory
• http://uncensored.citadel.org/msg/4576039 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-29547 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-29547 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29547 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-29547 · Security Note
• http://uncensored.citadel.org/dotgoto?room=Citadel%20Security · Note
• https://t.me/cvenotify/51756 · Telegram Post
• https://nostarttls.secvuln.info · Note
• https://uncensored.citadel.org/readfwd?go=Citadel · Note