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    CVE-2022-26498

    An issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it is possible to download files that are not certificates. These files could be much larger than what one would expect to download, leading to Resource Exhaustion. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

    Published:Apr 15, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 15, 2022
    EPSS Score:0.00132
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Digium
    Product
    Asterisk

    Exploits

    No exploit reference

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    References

    http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html
    http://packetstormsecurity.com/files/172139/Shannon-Baseband-chatroom-SDP-Attribute-Memory-Corruption.html
    https://downloads.asterisk.org/pub/security/
    https://downloads.asterisk.org/pub/security/AST-2022-001.html
    https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
    https://www.debian.org/security/2022/dsa-5285
    http://packetstormsecurity.com/files/166744/Asterisk-Project-Security-Advisory-AST-2022-001.html
    http://packetstormsecurity.com/files/172139/Shannon-Baseband-chatroom-SDP-Attribute-Memory-Corruption.html
    https://downloads.asterisk.org/pub/security/
    https://downloads.asterisk.org/pub/security/AST-2022-001.html
    https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
    https://www.debian.org/security/2022/dsa-5285

    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