CVE-2018-12495
published 2018-06-15CVE-2018-12495: 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)…
PriorityP422medium5.5CVSS 3.0
AVLACLPRNUIRSUCNINAH
EPSS
1.79%
76.2th percentile
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.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | discount | < discount 2.2.4-1 (bookworm) | discount 2.2.4-1 (bookworm) |
| discount_project | discount | — | — |
| discount_project | discount | >= 0 < 2.2.4-1 | 2.2.4-1 |
| discount_project | discount | >= 0 < 2.2.4-1 | 2.2.4-1 |
| discount_project | discount | >= 0 < 2.2.4-1 | 2.2.4-1 |
| discount_project | discount | >= 0 < 2.2.4-1 | 2.2.4-1 |
CVSS provenance
nvdv3.05.5MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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GHSA
GHSA-mvx5-vrw8-j3pj: The quoteblock function in markdown
ghsa_unreviewed·2022-05-14
CVE-2018-12495 [MEDIUM] CWE-125 GHSA-mvx5-vrw8-j3pj: The quoteblock function in markdown
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.
OSV
CVE-2018-12495: The quoteblock function in markdown
osv·2018-06-15·CVSS 5.5
CVE-2018-12495 [MEDIUM] CVE-2018-12495: The quoteblock function in markdown
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.
Red Hat
discount: heap-based buffer over-read via a crafted file
vendor_redhat·2018-05-23·CVSS 5.5
CVE-2018-12495 [MEDIUM] CWE-125 discount: heap-based buffer over-read via a crafted file
discount: heap-based buffer over-read via a crafted file
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.
Package: discount (Red Hat Enterprise Linux 8) - Will not fix
Debian
CVE-2018-12495: discount - The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows...
vendor_debian·2018·CVSS 5.5
CVE-2018-12495 [MEDIUM] CVE-2018-12495: discount - The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows...
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.
Scope: local
bookworm: resolved (fixed in 2.2.4-1)
bullseye: resolved (fixed in 2.2.4-1)
forky: resolved (fixed in 2.2.4-1)
sid: resolved (fixed in 2.2.4-1)
trixie: resolved (fixed in 2.2.4-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file
bugzilla·2018-06-19·CVSS 5.5
CVE-2018-12495 [MEDIUM] CVE-2018-12495 discount: heap-based buffer over-read via a crafted file
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file
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.
References:
https://github.com/Orc/discount/issues/189#issuecomment-397541501
Discussion:
Created discount tracking bugs for this issue:
Affects: epel-7 [bug 1592869]
Affects: fedora-all [bug 1592867]
Bugzilla
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [epel-7]
bugzilla·2018-06-19·CVSS 5.5
CVE-2018-12495 [MEDIUM] CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [epel-7]
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following template to for the 'f
Bugzilla
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [fedora-all]
bugzilla·2018-06-19·CVSS 5.5
CVE-2018-12495 [MEDIUM] CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [fedora-all]
CVE-2018-12495 discount: heap-based buffer over-read via a crafted file [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported v
https://github.com/Orc/discount/issues/189#issuecomment-397541501https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlhttps://www.debian.org/security/2018/dsa-4293https://github.com/Orc/discount/issues/189#issuecomment-397541501https://lists.debian.org/debian-lts-announce/2018/09/msg00009.htmlhttps://www.debian.org/security/2018/dsa-4293
2018-06-15
Published