CVE-2019-13377 Information disclosure in n/a

What is CVE-2019-13377?

CVE-2019-13377 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 15 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The implementations of SAE and EAP-pwd in hostapd and wpa_supplicant 2.x through 2.8 are vulnerable to side-channel attacks as a result of observable timing differences and cache access patterns when Brainpool curves are used. An attacker may be able to gain leaked information from a side-channel attack that can be used for full password recovery.

Weakness: CWE-203

Which versions are affected by CVE-2019-13377?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, W1.fi Hostapd.

How do I fix CVE-2019-13377?

Apply the vendor's patch.

Is CVE-2019-13377 being exploited?

There is no known exploitation of CVE-2019-13377 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 ALPINE-CVE-2019-13377, DEBIAN-CVE-2019-13377, GHSA-m5xx-ghwp-mgmq, OESA-2021-1019, UBUNTU-CVE-2019-13377, USN-4098-1.