CVE-2018-11504 — MEDIUM (5.5)

Vulnerability Description

The islist function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Discount Project	Discount	2.2.3
Debian	Debian Linux	8.0

Related Weaknesses (CWE)

CWE-125

References

https://github.com/Orc/discount/issues/189#issuecomment-392247798Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2018/dsa-4293Third Party Advisory
https://github.com/Orc/discount/issues/189#issuecomment-392247798Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlMailing ListThird Party Advisory
https://www.debian.org/security/2018/dsa-4293Third Party Advisory

FAQ

What is CVE-2018-11504?

CVE-2018-11504 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The islist function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html...

How severe is CVE-2018-11504?

CVE-2018-11504 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-11504?

Check the references section above for vendor advisories and patch information. Affected products include: Discount Project Discount, Debian Debian Linux.