Out-of-bounds write - CVE-2020-14393
Published: September 16, 2020 / Updated: September 23, 2020
Vulnerability identifier: #VU46974
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-14393
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to #BASIC_IMPACT#.
A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
Affected software
ClevOS
Gentoo Linux
Opensuse
Fedora
perl-dbi (Alpine package)
firefox (Alpine package)
perl-DBI
Gentoo Linux
Opensuse
Fedora
perl-dbi (Alpine package)
firefox (Alpine package)
perl-DBI
How to mitigate CVE-2020-14393
Install update from vendor's website.
perl-DBI - update to 1.643-3.fc31