Vigil@nce - glibc: out-of-bounds memory reading via iconv EUC-KR Encoding
March 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: BIG-IP Hardware, TMOS, Fedora, openSUSE Leap,
RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 18/01/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via iconv()
EUC-KR Encoding of glibc, in order to trigger a denial of service,
or to obtain sensitive information.
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