CVE - CVE-2018-20843

CVE-ID
CVE-2018-20843	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BUGTRAQ:20190628 [SECURITY] [DSA 4472-1] expat security update URL:https://seclists.org/bugtraq/2019/Jun/39 CONFIRM:https://security.netapp.com/advisory/ntap-20190703-0001/ URL:https://security.netapp.com/advisory/ntap-20190703-0001/ CONFIRM:https://support.f5.com/csp/article/K51011533 URL:https://support.f5.com/csp/article/K51011533 CONFIRM:https://www.tenable.com/security/tns-2021-11 URL:https://www.tenable.com/security/tns-2021-11 DEBIAN:DSA-4472 URL:https://www.debian.org/security/2019/dsa-4472 FEDORA:FEDORA-2019-139fcda84d URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/ FEDORA:FEDORA-2019-18868e1715 URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/ GENTOO:GLSA-201911-08 URL:https://security.gentoo.org/glsa/201911-08 MISC:https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 URL:https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226 MISC:https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes URL:https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes MISC:https://github.com/libexpat/libexpat/issues/186 URL:https://github.com/libexpat/libexpat/issues/186 MISC:https://github.com/libexpat/libexpat/pull/262 URL:https://github.com/libexpat/libexpat/pull/262 MISC:https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 URL:https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 MISC:https://www.oracle.com/security-alerts/cpuApr2021.html URL:https://www.oracle.com/security-alerts/cpuApr2021.html MISC:https://www.oracle.com/security-alerts/cpuapr2020.html URL:https://www.oracle.com/security-alerts/cpuapr2020.html MISC:https://www.oracle.com/security-alerts/cpuoct2020.html URL:https://www.oracle.com/security-alerts/cpuoct2020.html MISC:https://www.oracle.com/security-alerts/cpuoct2021.html URL:https://www.oracle.com/security-alerts/cpuoct2021.html MLIST:[debian-lts-announce] 20190629 [SECURITY] [DLA 1839-1] expat security update URL:https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html SUSE:openSUSE-SU-2019:1777 URL:http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html UBUNTU:USN-4040-1 URL:https://usn.ubuntu.com/4040-1/ UBUNTU:USN-4040-2 URL:https://usn.ubuntu.com/4040-2/
Assigning CNA
MITRE Corporation
Date Record Created
20190624	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20190624)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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