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Vulnerability details: VCID-t479-6zax-aaae
Vulnerability ID VCID-t479-6zax-aaae
Aliases CVE-2020-27824
Summary A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow. The highest threat from this vulnerability is to system availability.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-125 Out-of-bounds Read
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-20 Improper Input Validation
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-27824.html
rhas Moderate https://access.redhat.com/errata/RHSA-2021:4251
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27824.json
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00078 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00149 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00253 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
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epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00275 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.00276 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
epss 0.03468 https://api.first.org/data/v1/epss?cve=CVE-2020-27824
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1905723
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15389
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27814
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27823
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27824
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27841
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27842
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27843
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27845
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6851
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8112
cvssv3.1 6.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-27824
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-27824
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-27824
archlinux Medium https://security.archlinux.org/AVG-1339
generic_textual Medium https://ubuntu.com/security/notices/USN-4685-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4686-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4880-1
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-27824.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27824.json
https://api.first.org/data/v1/epss?cve=CVE-2020-27824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27841
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27842
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27845
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8112
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQR4EWRFFZQDMFPZKFZ6I3USLMW6TKTP/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://ubuntu.com/security/notices/USN-4685-1
https://ubuntu.com/security/notices/USN-4686-1
https://ubuntu.com/security/notices/USN-4880-1
https://www.debian.org/security/2021/dsa-4882
https://www.oracle.com/security-alerts/cpuoct2021.html
1905723 https://bugzilla.redhat.com/show_bug.cgi?id=1905723
ASA-202012-21 https://security.archlinux.org/ASA-202012-21
AVG-1339 https://security.archlinux.org/AVG-1339
cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE-2020-27824 https://nvd.nist.gov/vuln/detail/CVE-2020-27824
RHSA-2021:4251 https://access.redhat.com/errata/RHSA-2021:4251
USN-4685-1 https://usn.ubuntu.com/4685-1/
USN-4686-1 https://usn.ubuntu.com/4686-1/
USN-4880-1 https://usn.ubuntu.com/4880-1/
USN-5952-1 https://usn.ubuntu.com/5952-1/
USN-USN-5664-1 https://usn.ubuntu.com/USN-5664-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27824.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27824
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27824
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27824
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://www.oracle.com/security-alerts/cpuoct2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.34468
EPSS Score 0.00078
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.