Vulnerability Details : CVE-2017-18926
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).
Vulnerability category: Memory Corruption
Products affected by CVE-2017-18926
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:a:librdf:raptor_rdf_syntax_library:2.0.15:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18926
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18926
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:P |
8.6
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H |
2.8
|
4.2
|
NIST |
CWE ids for CVE-2017-18926
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18926
-
https://www.openwall.com/lists/oss-security/2017/06/07/1
oss-security - two heap overflows in raptorExploit;Mailing List;Patch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RD67AVORGQXORPWNYYUHCH6YPPT6CI4O/
[SECURITY] Fedora 33 Update: raptor-1.4.21-33.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/13/1
oss-security - Buffer Overflow in raptor widely unfixed in Linux distrosMailing List;Third Party Advisory
-
https://github.com/LibreOffice/core/blob/master/external/redland/raptor/0001-Calcualte-max-nspace-declarations-correctly-for-XML-.patch.1
Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/16/2
oss-security - Re: Buffer Overflow in raptor widely unfixed in Linux distrosMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WDZRNM45VPTQF2BKRWG4YRCHJGQ2L7NS/
[SECURITY] Fedora 32 Update: raptor-1.4.21-33.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4785
Debian -- Security Information -- DSA-4785-1 raptor2Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/11/msg00012.html
[SECURITY] [DLA 2438-1] raptor2 security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/14/2
oss-security - Re: Buffer Overflow in raptor widely unfixed in Linux distrosMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/13/2
oss-security - Re: Buffer Overflow in raptor widely unfixed in Linux distrosMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/11/16/3
oss-security - Re: Buffer Overflow in raptor widely unfixed in Linux distrosMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVHFYQDMVEBICIL4DBAGRRLPUR4QYWMV/
[SECURITY] Fedora 31 Update: raptor-1.4.21-33.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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