Canonical: >> Ubuntu Linux >> 18.04 Security Vulnerabilities
An exploitable heap out-of-bounds read vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to send an HTTPS request to trigger this vulnerability.
CVSS Score
7.0
EPSS Score
0.018
Published
2020-02-19
An exploitable denial-of-service vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to server crash and denial of service. An attacker needs to send an HTTP request to trigger this vulnerability.
CVSS Score
5.9
EPSS Score
0.083
Published
2020-02-19
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
CVSS Score
5.5
EPSS Score
0.001
Published
2020-02-14
runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)
CVSS Score
7.0
EPSS Score
0.001
Published
2020-02-12
gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).
CVSS Score
7.5
EPSS Score
0.008
Published
2020-02-11
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.
CVSS Score
4.2
EPSS Score
0.001
Published
2020-02-08
Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user.
CVSS Score
7.0
EPSS Score
0.001
Published
2020-02-08
Kevin Backhouse discovered an integer overflow in bson_ensure_space, as used in whoopsie.
CVSS Score
6.3
EPSS Score
0.001
Published
2020-02-08
Sander Bos discovered Apport's lock file was in a world-writable directory which allowed all users to prevent crash handling.
CVSS Score
3.3
EPSS Score
0.001
Published
2020-02-08
Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.
CVSS Score
3.8
EPSS Score
0.001
Published
2020-02-08