CVE-2007-1804
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
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.
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Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
PulseAudio 0.9.5 - 'Assert()' Remote Denial of Service
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 Fixed 5 releases
| Version | Status | Fixed 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.