Vigil@nce - libcomps: use after free via comps_objmradix.c-comps_objmrtree_unite
May 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: openSUSE Leap, SLES.
Consequences: user access/rights, denial of service on service, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 12/03/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force the usage of a freed memory area via comps_objmradix.c:comps_objmrtree_unite() of libcomps, in order to trigger a denial of service, and possibly to run code.
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