CVE-2020-14929 Security feature bypass in n/a
The Alpine IMAP client library silently continues using an insecure connection after a TLS command failure, bypassing expected security checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-14929?
CVE-2020-14929 is a high-severity vulnerability in Debian Debian Linux, published on 19 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent in certain circumstances involving PREAUTH, which is a less secure behavior than the alternative of closing the connection and letting the user decide what they would like to do.
Which versions are affected by CVE-2020-14929?
It affects 3 products.
Linux distribution packages (2)
alpine SUSE:Package Hub 15 SP2 | All versions | 2.24-bp152.4.3.1 |
alpine openSUSE:Leap 15.2 | All versions | 2.24-lp152.5.3.1 |
Products include Alpine Project Alpine, Debian Debian Linux, Fedoraproject Fedora.
How do I fix CVE-2020-14929?
Upgrade to a fixed version.
Is CVE-2020-14929 being exploited?
There is no known exploitation of CVE-2020-14929 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2024-TQ30021, DEBIAN-CVE-2020-14929, DLA-2254-1, GHSA-2h9h-wfvh-5r96, MGASA-2021-0014, UBUNTU-CVE-2020-14929 and 3 more.