CVE-2021-39360 Security feature bypass in n/a

Medium 5.9 Published 22 Aug 2021 Updated 4 Aug 2024

An attacker can perform man-in-the-middle attacks against SkyDrive connections because TLS certificate verification is disabled in the libzapojit library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-39360?

CVE-2021-39360 is a medium-severity vulnerability in Fedoraproject Fedora, published on 22 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In GNOME libzapojit through 0.0.3, zpj-skydrive.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

Weakness: CWE-295

Which versions are affected by CVE-2021-39360?

It affects 2 products.

Linux distribution packages (5)

`libzapojit` SUSE:Linux Enterprise Module for Package Hub 15 SP3	All versions	`0.0.3-150000.3.5.1`
`libzapojit` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`0.0.3-5.3.1`
`libzapojit` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`0.0.3-5.3.1`
`libzapojit` SUSE:Linux Enterprise Workstation Extension 15 SP3	All versions	`0.0.3-150000.3.5.1`
`libzapojit` openSUSE:Leap 15.3	All versions	`0.0.3-150000.3.5.1`

Products include Fedoraproject Fedora, Gnome Libzapojit.

How do I fix CVE-2021-39360?

Apply the vendor's patch.

Is CVE-2021-39360 being exploited?

There is no known exploitation of CVE-2021-39360 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-39360, GHSA-3j9h-5r8r-rrxc, MGASA-2021-0504, OESA-2021-1440, SUSE-SU-2022:3266-1, SUSE-SU-2022:3267-1 and 2 more.