CVE-2019-20503 Information

Description

usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html http://seclists.org/fulldisclosure/2020/May/49 http://seclists.org/fulldisclosure/2020/May/52 http://seclists.org/fulldisclosure/2020/May/55 http://seclists.org/fulldisclosure/2020/May/59 https://access.redhat.com/errata/RHSA-2020:0815 https://access.redhat.com/errata/RHSA-2020:0816 https://access.redhat.com/errata/RHSA-2020:0819 https://access.redhat.com/errata/RHSA-2020:0820 https://bugs.chromium.org/p/project-zero/issues/detail?id=1992 https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html https://crbug.com/1059349 https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467 https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/ https://security.gentoo.org/glsa/202003-02 https://security.gentoo.org/glsa/202003-10 https://support.apple.com/HT211168 https://support.apple.com/HT211171 https://support.apple.com/HT211175 https://support.apple.com/HT211177 https://support.apple.com/kb/HT211168 https://support.apple.com/kb/HT211171 https://support.apple.com/kb/HT211175 https://support.apple.com/kb/HT211177 https://usn.ubuntu.com/4299-1/ https://usn.ubuntu.com/4328-1/ https://usn.ubuntu.com/4335-1/ https://www.debian.org/security/2020/dsa-4639 https://www.debian.org/security/2020/dsa-4642 https://www.debian.org/security/2020/dsa-4645

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5