CVE-2019-12210

In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debugfile, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it...

CVE-2019-12209

Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile default $HOME/.config/Yubico/u2fkeys as root unless openasuser was enabled, and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM...

CVE-2019-12209

CVE-2019-12209 affects Yubico PAM-u2f, specifically the 1.0.7 release. The vulnerability arises when parsing the configured authfile (default $HOME/.config/Yubico/u2f_keys): the path is treated with root permissions and there is insufficient verification that the path contains no symlinks pointin...

CVE-2019-12209

Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile default $HOME/.config/Yubico/u2fkeys as root unless openasuser was enabled, and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM...

CVE-2019-12209

Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile default $HOME/.config/Yubico/u2fkeys as root unless openasuser was enabled, and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM...

CVE-2019-12209: Improper Link Resolution Before File Access

Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile default $HOME/.config/Yubico/u2fkeys as root unless openasuser was enabled, and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM...

PT-2019-2641

Name of the Vulnerable Software and Affected Versions Yubico pam-u2f version 1.0.7 Description The issue is related to the handling of a custom debug log file when the debug option is enabled. Specifically, the file descriptor for this log file is not properly closed when a new process is spawned...

PT-2019-2640

Name of the Vulnerable Software and Affected Versions Yubico pam-u2f version 1.0.7 Description The issue is related to the parsing of the configured authfile by Yubico pam-u2f. It does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the deb...

CVE-2019-12210: Undefined Security Weakness

In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debugfile, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it...

Debian DSA-4389-1 : libu2f-host - security update

Christian Reitter discovered that libu2f-host, a library implementing the host-side of the U2F protocol, failed to properly check for a buffer overflow. This would allow an attacker with a custom made malicious USB device masquerading as a security key, and physical access to a computer where PAM...

[SECURITY] [DSA 4389-1] libu2f-host security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4389-1 [email protected] https://www.debian.org/security/ Sebastien Delafond February 11, 2019 https://www.debian.org/security/faq -...

Security advisory YSA-2019-01 | Yubico

Yubico library libu2f-host prior to version 1.1.7 contains an unchecked buffer, which could allow a buffer overflow. Libu2f-host is a library that implements the host party of the U2F protocol. This issue can allow an attacker with a custom made malicious USB device masquerading as a security key...