CVE-2019-19906
Summary
| CVE | CVE-2019-19906 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2019-12-19 18:15:12 UTC |
| Updated | 2026-10-14 08:16:59 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-193 | CWE-787 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Apple | Ipados | 13.6 | All | All | All |
| Operating System | Apple | Iphone Os | 13.6 | All | All | All |
| Operating System | Apple | Mac Os X | All | All | All | All |
| Operating System | Apple | Mac Os X | 10.14.6 | - | All | All |
| Operating System | Canonical | Ubuntu Linux | 12.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 14.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.10 | All | All | All |
| Application | Cyrusimap | Cyrus-sasl | All | All | All | All |
| Operating System | Debian | Debian Linux | 10.0 | All | All | All |
| Operating System | Debian | Debian Linux | 8.0 | All | All | All |
| Operating System | Debian | Debian Linux | 9.0 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 6.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux For Ibm Z Systems | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux For Power Little Endian | 8.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux For Power Little Endian Eus | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Aus | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Tus | 8.4 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server Update Services For Sap Solutions | 8.4 | All | All | All |
| Application | Redhat | Jboss Enterprise Web Server | 2.0.0 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | N/a | affected n/a | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
| ADP | Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | affected V3.1.0 V3.1.5 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/html/ssa-398330.html | 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e | cert-portal.siemens.com | |
| [SECURITY] [DLA 2044-1] cyrus-sasl2 security update | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | Mailing List, Third Party Advisory |
| OpenLDAP ITS - Incoming/9123 | af854a3a-2127-422b-91ae-364da2661108 | www.openldap.org | Exploit, Third Party Advisory |
| [SECURITY] Fedora 32 Update: cyrus-sasl-2.1.27-4.fc32 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| Full Disclosure: APPLE-SA-2020-07-15-2 macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Mailing List, Third Party Advisory |
| About the security content of macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| [SECURITY] Fedora 31 Update: cyrus-sasl-2.1.27-3.fc31 - package-announce - Fedora Mailing-Lists | af854a3a-2127-422b-91ae-364da2661108 | lists.fedoraproject.org | |
| lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e69... | af854a3a-2127-422b-91ae-364da2661108 | lists.apache.org | |
| Debian -- Security Information -- DSA-4591-1 cyrus-sasl2 | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | Third Party Advisory |
| USN-4256-1: Cyrus SASL vulnerability | Ubuntu security notices | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | usn.ubuntu.com | Patch, Third Party Advisory |
| About the security content of iOS 13.6 and iPadOS 13.6 - Apple Support | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | Third Party Advisory |
| oss-security - Fwd: Cyrus-SASL 2.1.28 released [fixes CVE-2022-24407 & CVE-2019-19906] | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Patch, Release Notes, Third Party Advisory |
| Off by one in _sasl_add_string function · Issue #587 · cyrusimap/cyrus-sasl · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Patch, Third Party Advisory |
| lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450... | af854a3a-2127-422b-91ae-364da2661108 | lists.apache.org | |
| Full Disclosure: APPLE-SA-2020-07-15-1 iOS 13.6 and iPadOS 13.6 | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Mailing List, Third Party Advisory |
| Bugtraq: [SECURITY] [DSA 4591-1] cyrus-sasl2 security update | af854a3a-2127-422b-91ae-364da2661108 | seclists.org | Mailing List, Third Party Advisory |
| [SECURITY] Fedora 32 Update: cyrus-sasl-2.1.27-4.fc32 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| [SECURITY] Fedora 31 Update: cyrus-sasl-2.1.27-3.fc31 - package-announce - Fedora Mailing-Lists | MITRE | lists.fedoraproject.org | |
| Pony Mail! | MITRE | lists.apache.org | |
| Pony Mail! | MITRE | lists.apache.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 296057 Oracle Solaris 11.4 Support Repository Update (SRU) 44.113.4 Missing (bulletinapr2022)
- 377136 Alibaba Cloud Linux Security Update for cyrus-sasl (ALINUX3-SA-2022:0013)
- 500141 Alpine Linux Security Update for cyrus-sasl
- 503791 Alpine Linux Security Update for cyrus-sasl
- 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
- 691007 Free Berkeley Software Distribution (FreeBSD) Security Update for cyrus (a80c6273-988c-11ec-83ac-080027415d17)
- 752666 SUSE Enterprise Linux Security Update for cyrus-sasl (SUSE-SU-2022:3549-1)
- 770068 Red Hat OpenShift Container Platform 4.6 Security Update (RHSA-2021:0436)
- 900126 CBL-Mariner Linux Security Update for cyrus-sasl 2.1.27
- 900891 Common Base Linux Mariner (CBL-Mariner) Security Update for cyrus-sasl (6369-1)
- 903048 Common Base Linux Mariner (CBL-Mariner) Security Update for cyrus-sasl (1803)
- 940316 AlmaLinux Security Update for cyrus-sasl (ALSA-2020:4497)
- 960728 Rocky Linux Security Update for cyrus-sasl (RLSA-2020:4497)