CVE-2020-12783

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86	Patch Third Party Advisory
https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0	Patch Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=2571	Third Party Advisory
https://www.debian.org/security/2020/dsa-4687
https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
https://usn.ubuntu.com/4366-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M7Z5UG6ZIG32V7M4PP3BCC65C27EWK7G/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F6IQQ2SERFUD4WMRSX6XYDNK7Q4GPT7Y/
http://www.openwall.com/lists/oss-security/2021/05/04/7

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Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Information

Published : 2020-05-11 07:15

Updated : 2021-05-04 11:15

NVD link : CVE-2020-12783

Mitre link : CVE-2020-12783

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

exim

exim

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