#VU20964 Use-after-free in libslirp - CVE-2019-15890
Published: September 10, 2019 / Updated: April 28, 2020
Vulnerability identifier: #VU20964
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2019-15890
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libslirp
libslirp
Software vendor:
Freedesktop.org
Freedesktop.org
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists in "ip_reass()" routine in "ip_input.c" file while reassembling incoming packets, if the first fragment is bigger than the m->m_dat[] buffer. A remote attacker can send a specially crafted packet and cause the application to crash.
Remediation
Install update from vendor's website.