Freely subscribe to our NEWSLETTER

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can use several vulnerabilities of libarchive.

– Impacted products: Debian, Fedora, openSUSE Leap.
– Severity: 2/4.
– Creation date: 18/10/2016.

DESCRIPTION OF THE VULNERABILITY

Several vulnerabilities were announced in libarchive.

An attacker can generate a buffer overflow via
bsdtar_expand_char(), in order to trigger a denial of service, and
possibly to run code. [severity:2/4; CVE-2016-8687]

An attacker can force a read at an invalid address via bid_entry()
/ detect_form(), in order to trigger a denial of service, or to
obtain sensitive information. [severity:2/4; CVE-2016-8688]

An attacker can generate a buffer overflow via read_Header(), in
order to trigger a denial of service, and possibly to run code.
[severity:2/4; CVE-2016-8689]

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/libarchive-three-vulnerabilities-20889