CVE-2017-18926

Sažetak

raptor_xml_writer_start_element_common in raptor_xml_writer.c in Raptor RDF Syntax Library 2.0.15 miscalculates the maximum nspace declarations for the XML writer, leading to heap-based buffer overflows (sometimes seen in raptor_qname_format_as_xml).

Reference

https://www.openwall.com/lists/oss-security/2017/06/07/1
https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1
https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html
https://www.debian.org/security/2020/dsa-4785
http://www.openwall.com/lists/oss-security/2020/11/13/1
http://www.openwall.com/lists/oss-security/2020/11/13/2
http://www.openwall.com/lists/oss-security/2020/11/14/2
http://www.openwall.com/lists/oss-security/2020/11/16/2
http://www.openwall.com/lists/oss-security/2020/11/16/3
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RD67AVORGQXORPWNYYUHCH6YPPT6CI4O/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVHFYQDMVEBICIL4DBAGRRLPUR4QYWMV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDZRNM45VPTQF2BKRWG4YRCHJGQ2L7NS/

CVSS

Base:	5.8
Impact:	4.9
Exploitability:	8.6

Pristup

Vektor	Složenost	Autentikacija
NETWORK	MEDIUM	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
NONE	PARTIAL	PARTIAL

CVSS vektor

AV:N/AC:M/Au:N/C:N/I:P/A:P

Zadnje važnije ažuriranje

07-11-2023 - 02:41

Objavljeno

06-11-2020 - 18:15