CVE-2019-19906

2019-12-1900:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.007 Low

EPSS

Percentile

79.3%

JSON

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchcyrus-sasl2< 2.1.27~101-g0780600+dfsg-3ubuntu2.1UNKNOWN
ubuntu19.10noarchcyrus-sasl2< 2.1.27+dfsg-1ubuntu0.1UNKNOWN
ubuntu14.04noarchcyrus-sasl2< 2.1.25.dfsg1-17ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchcyrus-sasl2< 2.1.26.dfsg1-14ubuntu0.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	cyrus-sasl2	< 2.1.27~101-g0780600+dfsg-3ubuntu2.1	UNKNOWN
ubuntu	19.10	noarch	cyrus-sasl2	< 2.1.27+dfsg-1ubuntu0.1	UNKNOWN
ubuntu	14.04	noarch	cyrus-sasl2	< 2.1.25.dfsg1-17ubuntu0.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	cyrus-sasl2	< 2.1.26.dfsg1-14ubuntu0.2	UNKNOWN