CVE-2007-1804 Denial of service in n/a
Remote attackers can crash the PulseAudio daemon via malformed network packets, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-1804?
CVE-2007-1804 is a high-severity denial of service vulnerability in n/a, published on 2 Apr 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2007-1804?
It affects 1 product.
Products include Pulseaudio Pulseaudio.
How do I fix CVE-2007-1804?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2007-1804 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1804 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2007-1804, DTSA-44-1, GHSA-m89f-wrgw-mfmg.