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ID:4782 - Exploit for Use-after-free in libslirp - CVE-2020-1983
ID:4782 - Exploit for Use-after-free in libslirp - CVE-2020-1983
Published: November 3, 2020
Vulnerability identifier: #VU27389
Vulnerability risk: Medium
CVE-ID: CVE-2020-1983
CWE-ID: CWE-416
Exploitation vector: Remote access
Vulnerable software:
libslirp
libslirp
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error when processing packets within the ip_reass() function in ip_input.c in libslirp. A remote attacker can send a specially crafted packet to the application, trigger a use-after-free error and crash it.
Remediation
Install updates from vendor's website.