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CVE-2018-12495

Good to know:

Date: June 15, 2018

The quoteblock 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.

Language: C

Severity Score

5.5

Related Resources (8)

Url: https://www.debian.org/security/2018/dsa-4293

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-12495

Url: https://access.redhat.com/security/cve/CVE-2018-12495

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-12495

Url: https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html

Url: https://security-tracker.debian.org/tracker/CVE-2018-12495

Url: https://github.com/Orc/discount/issues/189#issuecomment-397541501

Url: https://www.mend.io/vulnerability-database/CVE-2018-12495

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version v2.2.4

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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