SB2021082208 - MitM attack in GNOME libzapojit
Published: August 22, 2021 Updated: September 14, 2022
Security Bulletin ID
SB2021082208
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2021-39360)
CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to zpj-skydrive.c does not enable TLS certificate verification on the SoupSessionSync objects it creates. A remote attacker can perform Man-in-the-Middle (MitM) attack.
Remediation
Install update from vendor's website.
References
- https://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/
- https://gitlab.gnome.org/GNOME/libzapojit/-/issues/4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNSIMQXP6VQWJXI7VW7ZCLCS4NWW465T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IDXCHOCVP3VSAKDBQSLER2DQHFIOUHAT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UG7TUICJM4QJHI4QJ2RHOSQE2QWD3KO3/