CVE-2019-19906
Published: 19 December 2019
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
cyrus-sasl2 Launchpad, Ubuntu, Debian |
bionic |
Released
(2.1.27~101-g0780600+dfsg-3ubuntu2.1)
|
| disco |
Ignored
(reached end-of-life)
|
|
| eoan |
Released
(2.1.27+dfsg-1ubuntu0.1)
|
|
| trusty |
Released
(2.1.25.dfsg1-17ubuntu0.1~esm1)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.1.26.dfsg1-14ubuntu0.2)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |