Vulnerability CVE-2018-12495
Published: 2018-06-15

Description:
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.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Discount project -> Discount 
Debian -> Debian linux 

 References:
https://github.com/Orc/discount/issues/189#issuecomment-397541501
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html
https://www.debian.org/security/2018/dsa-4293
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