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Vulnerability Details :

CVE-2020-12783

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-11 May, 2020 | 13:51
Updated At-04 Aug, 2024 | 12:04
Rejected At-
Credits

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:11 May, 2020 | 13:51
Updated At:04 Aug, 2024 | 12:04
Rejected At:
▼CVE Numbering Authority (CNA)

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugs.exim.org/show_bug.cgi?id=2571
x_refsource_CONFIRM
https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
x_refsource_CONFIRM
https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
x_refsource_CONFIRM
https://www.debian.org/security/2020/dsa-4687
vendor-advisory
x_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
mailing-list
x_refsource_MLIST
https://usn.ubuntu.com/4366-1/
vendor-advisory
x_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
vendor-advisory
x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
vendor-advisory
x_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/05/04/7
mailing-list
x_refsource_MLIST
Hyperlink: https://bugs.exim.org/show_bug.cgi?id=2571
Resource:
x_refsource_CONFIRM
Hyperlink: https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
Resource:
x_refsource_CONFIRM
Hyperlink: https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.debian.org/security/2020/dsa-4687
Resource:
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: https://usn.ubuntu.com/4366-1/
Resource:
vendor-advisory
x_refsource_UBUNTU
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: http://www.openwall.com/lists/oss-security/2021/05/04/7
Resource:
mailing-list
x_refsource_MLIST
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugs.exim.org/show_bug.cgi?id=2571
x_refsource_CONFIRM
x_transferred
https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
x_refsource_CONFIRM
x_transferred
https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
x_refsource_CONFIRM
x_transferred
https://www.debian.org/security/2020/dsa-4687
vendor-advisory
x_refsource_DEBIAN
x_transferred
https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
mailing-list
x_refsource_MLIST
x_transferred
https://usn.ubuntu.com/4366-1/
vendor-advisory
x_refsource_UBUNTU
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
vendor-advisory
x_refsource_FEDORA
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
vendor-advisory
x_refsource_FEDORA
x_transferred
http://www.openwall.com/lists/oss-security/2021/05/04/7
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://bugs.exim.org/show_bug.cgi?id=2571
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.debian.org/security/2020/dsa-4687
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://usn.ubuntu.com/4366-1/
Resource:
vendor-advisory
x_refsource_UBUNTU
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: http://www.openwall.com/lists/oss-security/2021/05/04/7
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:11 May, 2020 | 14:15
Updated At:07 Nov, 2023 | 03:15

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CPE Matches
Exim
exim
>>exim>>Versions up to 4.93(inclusive)
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>32
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>14.04
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>16.04
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>18.04
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>19.10
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Canonical Ltd.
canonical
>>ubuntu_linux>>20.04
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Weaknesses
CWE IDTypeSource
CWE-125Primarynvd@nist.gov
CWE ID: CWE-125
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.openwall.com/lists/oss-security/2021/05/04/7cve@mitre.org
Exploit
Mailing List
Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=2571cve@mitre.org
Third Party Advisory
https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86cve@mitre.org
Patch
Third Party Advisory
https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0cve@mitre.org
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00017.htmlcve@mitre.org
Mailing List
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/cve@mitre.org
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/cve@mitre.org
N/A
https://usn.ubuntu.com/4366-1/cve@mitre.org
Third Party Advisory
https://www.debian.org/security/2020/dsa-4687cve@mitre.org
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2021/05/04/7
Source: cve@mitre.org
Resource:
Exploit
Mailing List
Third Party Advisory
Hyperlink: https://bugs.exim.org/show_bug.cgi?id=2571
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
Source: cve@mitre.org
Resource:
Patch
Third Party Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
Source: cve@mitre.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://usn.ubuntu.com/4366-1/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://www.debian.org/security/2020/dsa-4687
Source: cve@mitre.org
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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