CVE-2019-19906
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cyrusimap Cyrus-sasl
PublishedDec 19, 2019
First seenDec 19, 2019
How to fix
Update
- cyrusimap cyrus-sasl2.1.28 or later
- apple mac_os_x10.13.6, 10.15.6 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cyrusimap cyrus-sasl | v < 2.1.28 | 2.1.28 |
| debian debian_linux | 8.0, 9.0, 10.0 | — |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 18.04, 19.10 | — |
| fedoraproject fedora | 31, 32 | — |
| redhat jboss_enterprise_web_server | 2.0.0 | — |
| apple mac_os_x | 10.14.6, v < 10.13.6, 10.13.0 ≤ v < 10.13.6, 10.15.0 ≤ v < 10.15.6, 10.13.6 | 10.13.6, 10.15.6 |
| redhat enterprise_linux | 5.0, 6.0, 7.0, 8.0 | — |
| redhat enterprise_linux_eus | 8.4 | — |
| redhat enterprise_linux_for_ibm_z_systems | 8.0 | — |
| redhat enterprise_linux_for_ibm_z_systems_eus | 8.4 | — |
| redhat enterprise_linux_for_power_little_endian | 8.0 | — |
| redhat enterprise_linux_for_power_little_endian_eus | 8.4 | — |
| redhat enterprise_linux_server_aus | 8.4 | — |
| redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions | 8.4 | — |
| redhat enterprise_linux_server_tus | 8.4 | — |
| redhat enterprise_linux_server_update_services_for_sap_solutions | 8.4 | — |
| apple ipados | 13.6 | — |
| apple iphone_os | 13.6 | — |
| apache bookkeeper | 4.12.1 | — |
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