CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
64.8%
Package : pngcheck
Version : 2.3.0-7+deb9u1
CVE ID : CVE-2020-27818
Debian Bug : 976350
A flaw was found in the check_chunk_name() function of pngcheck, a tool toΒ
verify the integrity of PNG, JNG and MNG files. This flaw allows an attacker
who can pass a malicious file to be processed by pngcheck to cause a temporary
denial of service.
For Debian 9 stretch, this problem has been fixed in version
2.3.0-7+deb9u1.
We recommend that you upgrade your pngcheck packages.
For the detailed security status of pngcheck please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/pngcheck
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: This is a digitally signed message part
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | amd64 | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_amd64.deb |
Debian | 10 | amd64 | pngcheck-dbgsym | <Β 2.3.0-7+deb10u1 | pngcheck-dbgsym_2.3.0-7+deb10u1_amd64.deb |
Debian | 10 | ppc64el | pngcheck-dbgsym | <Β 2.3.0-7+deb10u1 | pngcheck-dbgsym_2.3.0-7+deb10u1_ppc64el.deb |
Debian | 10 | mipsel | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_mipsel.deb |
Debian | 10 | mips | pngcheck-dbgsym | <Β 2.3.0-7+deb10u1 | pngcheck-dbgsym_2.3.0-7+deb10u1_mips.deb |
Debian | 10 | armhf | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_armhf.deb |
Debian | 10 | ppc64el | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_ppc64el.deb |
Debian | 10 | all | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_all.deb |
Debian | 10 | arm64 | pngcheck | <Β 2.3.0-7+deb10u1 | pngcheck_2.3.0-7+deb10u1_arm64.deb |
Debian | 10 | arm64 | pngcheck-dbgsym | <Β 2.3.0-7+deb10u1 | pngcheck-dbgsym_2.3.0-7+deb10u1_arm64.deb |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
AI Score
Confidence
High
EPSS
Percentile
64.8%