DEBIAN-CVE-2020-12783

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Source
https://security-tracker.debian.org/tracker/CVE-2020-12783
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12783.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2020-12783
Upstream
Published
2020-05-11T14:15:11.917Z
Modified
2025-11-19T01:19:09.835345Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / exim4

Package

Name
exim4
Purl
pkg:deb/debian/exim4?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.93-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12783.json"

Debian:12 / exim4

Package

Name
exim4
Purl
pkg:deb/debian/exim4?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.93-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12783.json"

Debian:13 / exim4

Package

Name
exim4
Purl
pkg:deb/debian/exim4?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.93-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12783.json"

Debian:14 / exim4

Package

Name
exim4
Purl
pkg:deb/debian/exim4?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.93-16

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12783.json"