Ubuntu update for evolution-data-server

1) Improper Neutralization of Special Elements in Output Used by a Downstream Component

EUVDB-ID: #VU34139

Risk: Medium

CVSSv4.0: 4.6 [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 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

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."

Mitigation

Update the affected package evolution-data-server to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.04

libedataserver-1.2-24 (Ubuntu package): before 3.36.3-0ubuntu1.1

libebackend-1.2-10 (Ubuntu package): before 3.18.5-1ubuntu1.3

libcamel-1.2-62 (Ubuntu package): before 3.36.3-0ubuntu1.1

evolution-data-server-common (Ubuntu package): before 3.18.5-1ubuntu1.3

evolution-data-server (Ubuntu package): before 3.18.5-1ubuntu1.3

libedataserver-1.2-23 (Ubuntu package): before 3.28.5-0ubuntu0.18.04.3

libcamel-1.2-61 (Ubuntu package): before 3.28.5-0ubuntu0.18.04.3

libedataserver-1.2-21 (Ubuntu package): before 3.18.5-1ubuntu1.3

libcamel-1.2-54 (Ubuntu package): before 3.18.5-1ubuntu1.3

CPE2.3

• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:18.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:libedataserver-1.2-24_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libebackend-1.2-10_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libcamel-1.2-62_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:evolution-data-server-common_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:evolution-data-server_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libedataserver-1.2-23_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libcamel-1.2-61_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libedataserver-1.2-21_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:libcamel-1.2-54_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-4429-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.