CVE-2020-12783

exim: out-of-bounds read in the SPA authenticator can lead to SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c

Published May 11, 2020 CVSS 3.1 · 7.5 High EPSS 4.6% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2213-1 exim4 security update
Debian DSA Debian DSA DSA-4687-1 exim4 security update
EUVD EUVD EUVD-2020-5068 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.
Ubuntu USN Ubuntu USN USN-4366-1 Exim vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 12:04 PM
Reserved
May 11, 2020, 12:00 AM
Status
Modified
Published
May 11, 2020, 2:15 PM
Modified
Jun 17, 2026, 2:52 AM
Severity
Important
Public date
May 5, 2020, 12:00 AM