CVE-2020-4030 OOB read in `TrioParse` in FreeRDP

What is CVE-2020-4030?

CVE-2020-4030 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 22 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In FreeRDP before version 2.1.2, there is an out of bounds read in TrioParse. Logging might bypass string length checks due to an integer overflow. This is fixed in version 2.1.2.

Weakness: CWE-190, CWE-125

Which versions are affected by CVE-2020-4030?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Freerdp Freerdp, Opensuse Leap.

How do I fix CVE-2020-4030?

Upgrade to a fixed version.

Is CVE-2020-4030 being exploited?

There is no known exploitation of CVE-2020-4030 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CLEANSTART-2024-QJ88758, DEBIAN-CVE-2020-4030, GHSA-fjr5-97f5-qq98, OESA-2023-1763, UBUNTU-CVE-2020-4030.