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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-51766
HistoryDec 24, 2023 - 6:15 a.m.

CVE-2023-51766

2023-12-2406:15:07
Debian Security Bug Tracker
security-tracker.debian.org
41
exim
smtp smuggling
spoofed address
spf protection
e-mail servers
security vulnerability

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

6.6

Confidence

Low

EPSS

0.003

Percentile

68.3%

JSON

Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Exim supports <LF>.<CR><LF> but some other popular e-mail servers do not.

Related

veracode 1
cvelist 1
alpinelinux 1
nessus 7
ubuntu 1
openvas 7
prion 1
osv 6
amazon 1
debian 2
fedora 2
ubuntucve 1
cve 1
redos 1
nvd 1
cgr 1
wolfi 1
cert 1
gentoo 1
veracode
veracode
Insufficient Verification Of Data Authenticity
2023-12-26 12:49:28
cvelist
cvelist
CVE-2023-51766
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alpinelinux
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CVE-2023-51766
2023-12-24 06:15:07
nessus
nessus
Fedora 39 : exim (2024-1ef6197a49)
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Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS / 22.04 LTS / 23.10 : Exim vulnerability (USN-6611-1)
2024-01-29 00:00:00
Fedora 38 : exim (2024-e0841c83bb)
2024-01-11 00:00:00
ubuntu
ubuntu
Exim vulnerability
2024-01-29 00:00:00
openvas
openvas
Debian: Security Advisory (DSA-5597-1)
2024-01-12 00:00:00
Exim < 4.97.1 SMTP Smuggling Vulnerability (Dec 2023)
2024-01-10 00:00:00
Ubuntu: Security Advisory (USN-6611-1)
2024-01-30 00:00:00
prion
prion
Code injection
2023-12-24 06:15:00
osv
osv
exim4 vulnerability
2024-01-29 10:52:45
CVE-2023-51766
2023-12-24 06:15:07
exim-4.97.1-1.1 on GA media
2024-06-15 00:00:00
amazon
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Important: exim
2024-01-19 01:19:00
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[SECURITY] [DSA 5597-1] exim4 security update
2024-01-04 22:01:39
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2024-01-05 22:08:00
fedora
fedora
[SECURITY] Fedora 39 Update: exim-4.97.1-1.fc39
2024-01-12 01:12:17
[SECURITY] Fedora 38 Update: exim-4.97.1-1.fc38
2024-01-12 01:00:14
ubuntucve
ubuntucve
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2023-12-24 00:00:00
cve
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CVE-2023-51766
2023-12-24 06:15:07
redos
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ROS-20240408-20
2024-04-08 00:00:00
nvd
nvd
CVE-2023-51766
2023-12-24 06:15:07
cgr
cgr
CVE-2023-51766 vulnerabilities
2024-05-19 03:07:16
wolfi
wolfi
CVE-2023-51766 vulnerabilities
2024-09-30 03:53:08
cert
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SMTP end-of-data uncertainty can be abused to spoof emails and bypass policies
2024-01-16 00:00:00
gentoo
gentoo
Exim: Multiple Vulnerabilities
2024-02-18 00:00:00

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

6.6

Confidence

Low

EPSS

0.003

Percentile

68.3%

JSON
Related for DEBIANCVE:CVE-2023-51766
veracode1cvelist1alpinelinux1nessus7ubuntu1openvas7prion1osv6amazon1debian2fedora2ubuntucve1cve1redos1nvd1cgr1wolfi1cert1gentoo1