Red Hat update for evolution

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

Install updates from vendor's website.

Vulnerable software versions

evolution-data-server (Red Hat package): 3.28.5-11.el8 - 3.28.5-13.el8

evolution (Red Hat package): 3.28.5-9.el8 - 3.28.5-12.el8

openchange (Red Hat package): 2.3-24.el8

Red Hat CodeReady Linux Builder for ARM 64: 8.0

Red Hat CodeReady Linux Builder for Power, little endian: 8.0

Red Hat CodeReady Linux Builder for x86_64: 8.0

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0

evolution-mapi (Red Hat package): before 3.28.3-3.el8

bogofilter (Red Hat package): before 1.2.5-2.el8

CPE2.3

• cpe:2.3:a:red_hat:evolution-data-server_redhat_package:3.28.5-11.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:evolution-data-server_redhat_package:3.28.5-13.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:evolution_redhat_package:3.28.5-9.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:evolution_redhat_package:3.28.5-12.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:openchange_redhat_package:2.3-24.el8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_codeready_linux_builder_for_arm_64:8.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_codeready_linux_builder_for_x86_64:8.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_arm_64:8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian:8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems:8:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:evolution-mapi_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:bogofilter_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2020:4649

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.