PT-2018-10620 · Discount · Discount

Fcorleone · Published 2018-05-26 · Updated 2019-10-03 · CVE-2018-11503

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions DISCOUNT version 2.2.3a

Description The issue allows remote attackers to cause a denial of service, specifically a heap-based buffer over-read, via a crafted file. This is demonstrated by the mkd2html function.

Recommendations For version 2.2.3a, consider avoiding the use of the isfootnote function in markdown.c until a patch is available. As a temporary workaround, restrict the processing of crafted files to minimize the risk of exploitation.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2018-11503

DLA-1499-1

DSA-4293-1

MGASA-2019-0020

Affected Products

Discount

References · 16

• https://osv.dev/vulnerability/DSA-4293-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1499-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-11503 · Security Note
• https://osv.dev/vulnerability/MGASA-2019-0020 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-11503 · Security Note
• https://osv.dev/vulnerability/CVE-2018-11503 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2019-0020.html · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2018-11503 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-11503 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/7RPEBFDVJJU7ZJ2OQIKR35QQENJC2EI3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11503 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-11503 · Vendor Advisory
• https://debian.org/security/2018/dsa-4293 · Vendor Advisory
• https://github.com/Orc/discount/issues/189#issuecomment-392247798 · Note
• https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html · Note