CVE-2007-1804

unknown
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
1.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-29809 dos linux verified text · 1 KB
Luigi Auriemma · 2007-04-02

PulseAudio 0.9.5 - 'Assert()' Remote Denial of Service

text exploit Source: Exploit-DB
source: https://www.securityfocus.com/bid/23240/info

PulseAudio is prone to a remote denial-of-service vulnerability.

Exploiting this issue allows remote attackers to consume excessive system resources until the software becomes unresponsive to further calls, effectively denying service to legitimate users.

PulseAudio 0.9.5 is vulnerable to this issue. 

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/29809.zip

OS impact

debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 0.9.6-1
sid Fixed 0.9.6-1
forky Fixed 0.9.6-1
bullseye Fixed 0.9.6-1
bookworm Fixed 0.9.6-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.