SB2018052605 - Multiple vulnerabilities in DISCOUNT
Published: May 26, 2018 Updated: August 8, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2018-11503)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in The isfootnote function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html.
2) Out-of-bounds read (CVE-ID: CVE-2018-11504)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in The islist function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted file, as demonstrated by mkd2html.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.