CVE-2007-1804
pulseaudio - remote DoS
Description
PulseAudio 0.9.5 allows remote attackers to cause a denial of service (daemon crash) via (1) a PA_PSTREAM_DESCRIPTOR_LENGTH value of FRAME_SIZE_MAX_ALLOW sent on TCP port 9875, which triggers a p->export assertion failure in do_read; (2) a PA_PSTREAM_DESCRIPTOR_LENGTH value of 0 sent on TCP port 9875, which triggers a length assertion failure in pa_memblock_new; or (3) an empty packet on UDP port 9875, which triggers a t assertion failure in pa_sdp_parse; and allows remote authenticated users to cause a denial of service (daemon crash) via a crafted packet on TCP port 9875 that (4) triggers a maxlength assertion failure in pa_memblockq_new, (5) triggers a size assertion failure in pa_xmalloc, or (6) plays a certain sound file.
How to fix CVE-2007-1804
To remediate CVE-2007-1804, upgrade the affected package to a fixed version below.
- —upgrade to 0.9.6-1 or later
- —upgrade to 0.9.5-7lenny2 or later
Is CVE-2007-1804 being exploited?
Moderate — EPSS is 7.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 0.9.6-1
- from 0, < 0.9.5-7lenny2