Information disclosure in libetpan - CVE-2020-15953

Vulnerability identifier: #VU32907

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-15953

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. A remote attacker can gain unauthorized access to sensitive information on the system.

libetpan
Gentoo Linux
SUSE Linux
Opensuse
Ubuntu
Fedora
libetpan (Alpine package)
libetpan-dev (Ubuntu package)
libetpan17 (Ubuntu package)
libetpan
IBM Tivoli Storage Manager

Install updates from vendor's website.

libetpan - update to 1.9.4-r1
libetpan (Alpine package) - update to 1.9.4-r1
libetpan-dev (Ubuntu package) - update to 1.6-1ubuntu0.1
libetpan17 (Ubuntu package) - update to 1.6-1ubuntu0.1
libetpan - addressed in versions 1.9.3-3.fc31, 1.9.4-4.fc32

• https://github.com/dinhvh/libetpan/issues/386
• https://security.gentoo.org/glsa/202007-55

• Information disclosure in LibEtPan
• Gentoo update for libetpan
• OpenSUSE Linux update for libetpan
• OpenSUSE Linux update for libetpan
• Information disclosure in libetpan (Alpine package)
• Ubuntu update for libetpan
• Fedora 32 update for libetpan
• Fedora 31 update for libetpan