CVE-2017-2669

See a problem?
Source
https://nvd.nist.gov/vuln/detail/CVE-2017-2669
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2669.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-2669
Related
Published
2018-06-21T13:29:00Z
Modified
2024-05-30T01:22:22.934062Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Dovecot before version 2.2.29 is vulnerable to a denial of service. When 'dict' passdb and userdb were used for user authentication, the username sent by the IMAP/POP3 client was sent through var_expand() to perform %variable expansion. Sending specially crafted %variable fields could result in excessive memory usage causing the process to crash (and restart), or excessive CPU usage causing all authentications to hang.

References

Affected packages

Git / github.com/dovecot/core

Affected ranges

Type
GIT
Repo
https://github.com/dovecot/core
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

1.*

1.1.alpha1
1.1.alpha2
1.1.alpha4
1.1.alpha5
1.1.alpha6
1.1.beta1
1.1.beta10
1.1.beta11
1.1.beta12
1.1.beta13
1.1.beta14
1.1.beta16
1.1.beta2
1.1.beta3
1.1.beta4
1.1.beta5
1.1.beta6
1.1.beta8
1.1.beta9
1.1.rc1
1.1.rc2
1.1.rc3
1.1.rc4
1.1.rc5
1.1.rc6
1.1.rc7
1.1.rc8
1.2.alpha1
1.2.alpha2
1.2.alpha3
1.2.alpha4
1.2.alpha5
1.2.beta1
1.2.beta2
1.2.beta3
1.2.beta4
1.2.rc1

2.*

2.0.0
2.0.1
2.0.10
2.0.11
2.0.12
2.0.13
2.0.14
2.0.15
2.0.2
2.0.3
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
2.0.alpha1
2.0.alpha2
2.0.alpha3
2.0.beta1
2.0.beta2
2.0.beta3
2.0.beta4
2.0.beta5
2.0.beta6
2.0.rc1
2.0.rc2
2.0.rc3
2.0.rc4
2.0.rc5
2.0.rc6
2.1.0
2.1.1
2.1.10
2.1.11
2.1.12
2.1.13
2.1.14
2.1.15
2.1.16
2.1.2
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.9
2.1.alpha1
2.1.alpha2
2.1.beta1
2.1.rc1
2.1.rc2
2.1.rc3
2.1.rc4
2.1.rc5
2.1.rc6
2.1.rc7
2.2.0
2.2.1
2.2.10
2.2.11
2.2.12
2.2.13
2.2.13.rc1
2.2.14
2.2.14.rc1
2.2.15
2.2.16
2.2.16.rc1
2.2.17
2.2.17.rc1
2.2.17.rc2
2.2.18
2.2.19
2.2.19.rc1
2.2.19.rc2
2.2.2
2.2.20
2.2.20.rc1
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
2.2.alpha1
2.2.beta1
2.2.beta2
2.2.rc1
2.2.rc2
2.2.rc3
2.2.rc4
2.2.rc5
2.2.rc6
2.2.rc7