CVE-2007-1804

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    CVE-2007-1804

    Published: 2 Apr 2007Last Modified: 10 Apr 2026

    Summary:

    Details: 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.

    References: http://secunia.com/advisories/25431, http://secunia.com/advisories/25787, http://www.mandriva.com/security/advisories?name=MDVSA-2008:065, http://www.novell.com/linux/security/advisories/2007_13_sr.html, http://www.ubuntu.com/usn/usn-465-1, http://www.vupen.com/english/advisories/2007/1214, http://aluigi.altervista.org/adv/pulsex-adv.txt, http://aluigi.org/poc/pulsex.zip, http://www.securityfocus.com/bid/23240, https://exchange.xforce.ibmcloud.com/vulnerabilities/33315

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High