MitM attack in GNOME libzapojit



| Updated: 2022-09-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-39360
CWE-ID CWE-300
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 libzapojit
Other software / Other software solutions

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Man-in-the-Middle (MitM) attack

EUVDB-ID: #VU67361

Risk: Medium

CVSSv4.0: 1.3 [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]

CVE-ID: CVE-2021-39360

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libzapojit: 0.0.1 - 0.0.3

CPE2.3 External links

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/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###