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CVE-2019-15903 Detail

Current Description

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.


View Analysis Description

Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00081.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
http://packetstormsecurity.com/files/154503/Slackware-Security-Advisory-expat-Updates.html
http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html
http://packetstormsecurity.com/files/154947/Slackware-Security-Advisory-mozilla-firefox-Updates.html
http://seclists.org/fulldisclosure/2019/Dec/23
http://seclists.org/fulldisclosure/2019/Dec/26
http://seclists.org/fulldisclosure/2019/Dec/27
http://seclists.org/fulldisclosure/2019/Dec/30
https://access.redhat.com/errata/RHSA-2019:3210
https://access.redhat.com/errata/RHSA-2019:3237
https://access.redhat.com/errata/RHSA-2019:3756
https://github.com/libexpat/libexpat/commit/c20b758c332d9a13afbbb276d30db1d183a85d43 Patch  Third Party Advisory 
https://github.com/libexpat/libexpat/issues/317 Exploit  Issue Tracking  Third Party Advisory 
https://github.com/libexpat/libexpat/issues/342
https://github.com/libexpat/libexpat/pull/318 Issue Tracking  Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/11/msg00006.html
https://lists.debian.org/debian-lts-announce/2019/11/msg00017.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A4TZKPJFTURRLXIGLB34WVKQ5HGY6JJA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BDUTI5TVQWIGGQXPEVI4T2ENHFSBMIBP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S26LGXXQ7YF2BP3RGOWELBFKM6BHF6UG/
https://seclists.org/bugtraq/2019/Dec/17
https://seclists.org/bugtraq/2019/Dec/21
https://seclists.org/bugtraq/2019/Dec/23
https://seclists.org/bugtraq/2019/Nov/1
https://seclists.org/bugtraq/2019/Nov/24
https://seclists.org/bugtraq/2019/Oct/29
https://seclists.org/bugtraq/2019/Sep/30
https://seclists.org/bugtraq/2019/Sep/37
https://security.gentoo.org/glsa/201911-08
https://security.netapp.com/advisory/ntap-20190926-0004/
https://support.apple.com/kb/HT210785
https://support.apple.com/kb/HT210788
https://support.apple.com/kb/HT210789
https://support.apple.com/kb/HT210790
https://support.apple.com/kb/HT210793
https://support.apple.com/kb/HT210794
https://support.apple.com/kb/HT210795
https://usn.ubuntu.com/4132-1/
https://usn.ubuntu.com/4132-2/
https://usn.ubuntu.com/4165-1/
https://usn.ubuntu.com/4202-1/
https://usn.ubuntu.com/4335-1/
https://www.debian.org/security/2019/dsa-4530
https://www.debian.org/security/2019/dsa-4549
https://www.debian.org/security/2019/dsa-4571
https://www.oracle.com/security-alerts/cpuapr2020.html

Weakness Enumeration

CWE-ID CWE Name Source
CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion') cwe source acceptance level NIST  
CWE-125 Out-of-bounds Read cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

44 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-15903
NVD Published Date:
09/04/2019
NVD Last Modified:
08/24/2020
Source:
MITRE