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CVE-2019-20503

Good to know:

Date: March 5, 2020

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

Language: C

Severity Score

6.5

Related Resources (47)

Url: https://support.apple.com/kb/HT211177

Url: https://usn.ubuntu.com/4299-1/

Url: https://usn.ubuntu.com/4335-1/

Url: https://support.apple.com/HT211168

Url: https://support.apple.com/kb/HT211175

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/

Url: https://security-tracker.debian.org/tracker/CVE-2019-20503

Url: http://seclists.org/fulldisclosure/2020/May/59

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-20503

Url: https://lists.debian.org/debian-lts-announce/2020/03/msg00013.html

Url: https://access.redhat.com/security/cve/CVE-2019-20503

Url: https://github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467

Url: https://access.redhat.com/errata/RHSA-2020:0819

Url: https://access.redhat.com/errata/RHSA-2020:0816

Url: https://access.redhat.com/errata/RHSA-2020:0815

Url: https://www.debian.org/security/2020/dsa-4645

Url: https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html

Url: https://security.alpinelinux.org/vuln/CVE-2019-20503

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/

Url: http://seclists.org/fulldisclosure/2020/May/55

Url: http://seclists.org/fulldisclosure/2020/May/52

Url: https://security.gentoo.org/glsa/202003-10

Url: https://support.apple.com/kb/HT211171

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/

Url: http://seclists.org/fulldisclosure/2020/May/49

Url: https://support.apple.com/HT211177

Url: https://support.apple.com/HT211175

Url: https://support.apple.com/kb/HT211168

Url: https://crbug.com/1059349

Url: https://usn.ubuntu.com/4328-1/

Url: https://www.debian.org/security/2020/dsa-4642

Url: http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html

Url: https://support.apple.com/HT211171

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20503

Url: https://lists.debian.org/debian-lts-announce/2023/07/msg00003.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/

Url: https://access.redhat.com/errata/RHSA-2020:0820

Url: https://www.debian.org/security/2020/dsa-4639

Url: http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00030.html

Url: https://bugs.chromium.org/p/project-zero/issues/detail?id=1992

Url: https://security.gentoo.org/glsa/202003-02

Url: http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html

Url: http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html

Url: https://lists.debian.org/debian-lts-announce/2020/03/msg00023.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/

Url: https://www.mend.io/vulnerability-database/CVE-2019-20503

Severity Score

6.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version usrsctp2019-12-20,firefox-bin-68.6.0

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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