Input validation error - CVE-2018-12558
Published: June 20, 2018 / Updated: August 4, 2020
Vulnerability identifier: #VU33726
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-12558
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The parse() method in the Email::Address module through 1.909 for Perl is vulnerable to Algorithmic complexity on specially prepared input, leading to Denial of Service. Prepared special input that caused this problem contained 30 form-field characters ("f").
Affected software
Arch Linux
Opensuse
SUSE Linux
perl-email-address (Alpine package)
WordPress Gallery Plugin - NextGEN Gallery
Opensuse
SUSE Linux
perl-email-address (Alpine package)
WordPress Gallery Plugin - NextGEN Gallery
How to mitigate CVE-2018-12558
Install update from vendor's website.
perl-email-address (Alpine package) - update to 1.912-r0
WordPress Gallery Plugin - NextGEN Gallery - update to 0.92
WordPress Gallery Plugin - NextGEN Gallery - update to 0.92