Out-of-bounds read in apt - CVE-2020-3810
Published: May 14, 2020
Vulnerability identifier: #VU27922
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-3810
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Julian Andres Klode
Affected software:
apt
apt
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the Ararchive::Loadheaders in /apt-pkg/contrib/arfile.cc. A remote attacker can create a specially crafted repository file, trick the victim into loading it, trigger an out-of-bounds read error and gain access to sensitive information.
How to mitigate CVE-2020-3810
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.