#VU34139 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Debian Linux - CVE-2020-14928
Published: July 17, 2020 / Updated: August 8, 2020
Vulnerability identifier: #VU34139
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-14928
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Debian Linux
Debian Linux
Software vendor:
Debian
Debian
Description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."
Remediation
Install update from vendor's website.
External links
- https://bugzilla.suse.com/show_bug.cgi?id=1173910
- https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac
- https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226
- https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/
- https://security-tracker.debian.org/tracker/DLA-2281-1
- https://security-tracker.debian.org/tracker/DSA-4725-1
- https://usn.ubuntu.com/4429-1/
- https://www.debian.org/security/2020/dsa-4725