CVE-2020-12783 — Out-of-bounds Read in Exim

CWE-125 — Out-of-bounds Read11 documents9 sources
Severity
7.5HIGHNVD
EPSS
3.2%
top 13.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
EximCanonical Ubuntu LinuxDebian Linux+1 more
Timeline
PublishedMay 11
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDexim/exim4.93

Also affects: Debian Linux 10.0, 8.0, 9.0, Fedora 31, 32, Ubuntu Linux 14.04, 16.04, 18.04, 19.10, 20.04

Patches

Patch: git.exim.org ↗Patch: git.exim.org ↗Patch: git.exim.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-mqxr-gww5-9jhp: Exim through 4↗2022-05-24
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CVEList
CVE-2020-12783: Exim through 4↗2020-05-11
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OSV
CVE-2020-12783: Exim through 4↗2020-05-11
▶

📋Vendor Advisories

3
Ubuntu
Exim vulnerability↗2020-05-19
▶
Red Hat
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↗2020-05-05
▶
Debian
CVE-2020-12783: exim4 - Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could ...↗2020
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🕵️Threat Intelligence

1
Greynoiseio
NoiseLetter October 2024↗
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💬Community

3
Bugzilla
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 [fedora-all]↗2020-05-15
▶
Bugzilla
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 [epel-all]↗2020-05-15
▶
Bugzilla
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↗2020-05-15
▶
CVE-2020-12783 — Out-of-bounds Read in Exim | cvebase