SB2021031913 - SUSE update for evolution-data-server 

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Main Vulnerability Database SB2021031913

SB2021031913 - SUSE update for evolution-data-server

Published: March 19, 2021

Security Bulletin ID SB2021031913
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Neutralization of Special Elements in Output Used by a Downstream Component (CVE-ID: CVE-2020-14928)

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."


2) NULL pointer dereference (CVE-ID: CVE-2020-16117)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References