5.9med

CVE-2016-8652

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash)…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
48.2%
percentile 99%
Public exploits
0
none known

Summary

The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

Exploit prediction (EPSS)

48.20% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • securityfocus.com /bid/94639 · vdb-entry, x_refsource_BID, x_transferred
  • openwall.com /lists/oss-security/2016/12/02/4 · mailing-list, x_refsource_MLIST, x_transferred
  • dovecot.org /pipermail/dovecot-news/2016-December/000333.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/12/05/12 · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.