#VU48481 Buffer overflow in Raptor RDF Syntax Library - CVE-2017-18926
Published: November 6, 2020 / Updated: November 24, 2020
Vulnerability identifier: #VU48481
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-18926
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Raptor RDF Syntax Library
Raptor RDF Syntax Library
Software vendor:
dajobe
dajobe
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the raptor_xml_writer_start_element_common() function in raptor_xml_writer.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- 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://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
- https://www.openwall.com/lists/oss-security/2017/06/07/1