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(parent: 84a9f7a) | patch
sd-bus: enforce a size limit on D-Bus object paths
authorMartin Pitt <martin@piware.de>
Sun, 17 Feb 2019 09:17:45 +0000 (10:17 +0100)
committerMichael Biebl <biebl@debian.org>
Fri, 24 May 2019 20:58:59 +0000 (21:58 +0100)
commit1ded92f91fe133c813b7864c1c1c2fc02cab8094
treeef512e233ec36af75571779b1ce54b141525828dtree | snapshot
parent84a9f7ada60d12ebc649e919cf5569277b51dd72commit | diff
sd-bus: enforce a size limit on D-Bus object paths

Replace stack with heap allocation. This avoids accessing/modifying
memory outside of the allocated stack region by sending specially
crafted D-Bus messages with very large object paths.

Vulnerability discovered by Chris Coulson <chris.coulson@canonical.com>,
patch provided by Riccardo Schirone <rschiron@redhat.com>.

CVE-2019-6454

Gbp-Pq: Name sd-bus-enforce-a-size-limit-on-D-Bus-object-paths.patch
src/libsystemd/sd-bus/bus-internal.c diff | blob | history
src/libsystemd/sd-bus/bus-internal.h diff | blob | history
src/libsystemd/sd-bus/bus-objects.c diff | blob | history
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