Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2019-10691

The JSON encoder in Dovecot before 2.3.5.2 allows attackers to repeatedly crash the authentication service by attempting to authenticate with an invalid UTF-8 sequence as the username.

Published

2019-04-24T17:29:00.397

Last Modified

2024-11-21T04:19:45.653

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	dovecot	dovecot	< 2.3.5.2	Yes
Operating System	opensuse	leap	15.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2019/04/18/3 Mailing List, Third Party Advisory ([email protected])
https://dovecot.org/list/dovecot-news/2019-April/000406.html Mailing List, Vendor Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ ([email protected])
https://security.gentoo.org/glsa/201908-29 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00000.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2019/04/18/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://dovecot.org/list/dovecot-news/2019-April/000406.html Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/ (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201908-29 (af854a3a-2127-422b-91ae-364da2661108)