CVE-2019-19906
Publication date 19 December 2019
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| cyrus-sasl2 | ||
| 18.04 LTS bionic |
Fixed 2.1.27~101-g0780600+dfsg-3ubuntu2.1
|
|
| 16.04 LTS xenial |
Fixed 2.1.26.dfsg1-14ubuntu0.2
|
|
| 14.04 LTS trusty |
Fixed 2.1.25.dfsg1-17ubuntu0.1~esm1
|
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| 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 |
References
Related Ubuntu Security Notices (USN)
- USN-4256-1
- Cyrus SASL vulnerability
- 28 January 2020