CVE-2021-32550: high-severity vulnerability in Canonical apport
apport read_file() function could follow maliciously constructed symbolic links
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.3%
exploitation probability
0.3%top 80% of all CVEs
observed exploitation
nono source reports it
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-14 package apport hooks, it could expose private data to other local users.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
Affected products
Canonical · apportRelated CVEs — Canonical apport
In the same product, most dangerous first.
CVE-2021-25684HIGHapport can be stalled by reading a FIFOEPSS 0.6%CVE-2020-15702HIGHTOCTOU in apportEPSS 0.5%CVE-2021-3710MEDIUMApport info disclosure via path traversal bug in read_fileEPSS 0.5%CVE-2021-3709MEDIUMApport file permission bypass through emacs byte compilation errorsEPSS 0.5%CVE-2021-25682HIGHapport improperly parses /proc/pid/statusEPSS 0.5%CVE-2019-11481LOWApport reads arbitrary files if ~/.config/apport/settings is a symlinkEPSS 0.5%