CVE-2020-12783

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Summary

CVECVE-2020-12783
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-05-11 14:15:00 UTC
Updated2023-11-07 03:15:00 UTC
DescriptionExim 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.

Risk And Classification

Problem Types: CWE-125

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 19.10 All All All
Operating System Canonical Ubuntu Linux 20.04 All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Exim Exim All All All All
Operating System Fedoraproject Fedora 31 All All All
Operating System Fedoraproject Fedora 32 All All All

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-4687-1 exim4 DEBIAN www.debian.org
oss-security - 21Nails: Multiple vulnerabilities in Exim MLIST www.openwall.com
git.exim.org Git - exim.git/commit CONFIRM git.exim.org Patch, Third Party Advisory
USN-4366-1: Exim vulnerability | Ubuntu security notices UBUNTU usn.ubuntu.com
[SECURITY] Fedora 32 Update: exim-4.93-8.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
git.exim.org Git - exim.git/commit CONFIRM git.exim.org Patch, Third Party Advisory
[SECURITY] Fedora 32 Update: exim-4.93-8.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Bug 2571 – Out-of-bound buffer read leads to Authentication Bypass in Exim SPA authentication method CONFIRM bugs.exim.org Third Party Advisory
[SECURITY] Fedora 31 Update: exim-4.93-8.fc31 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 31 Update: exim-4.93-8.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] [DLA 2213-1] exim4 security update MLIST lists.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500892 Alpine Linux Security Update for exim
  • 504725 Alpine Linux Security Update for exim
  • 750227 OpenSUSE Security Update for exim (openSUSE-SU-2021:0677-1)
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