cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.
Published 2019-12-19 18:15:13
Updated 2022-04-12 18:41:24
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2019-19906

Threat overview for CVE-2019-19906

Top countries where our scanners detected CVE-2019-19906
Top open port discovered on systems with this issue 53
IPs affected by CVE-2019-19906 808,701
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2019-19906!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-19906

0.51%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-19906

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
NIST

CWE ids for CVE-2019-19906

  • A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
    Assigned by: nvd@nist.gov (Primary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-19906

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