VDB-147544 · CVE-2019-19906 · ID 587

cyrus-sasl 2.1.27 OpenLDAP common.c _sasl_add_string LDAP Packet out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in cyrus-sasl 2.1.27. Affected by this issue is the function _sasl_add_string of the file common.c of the component OpenLDAP. Executing a manipulation as part of LDAP Packet can lead to out-of-bounds write. The identification of this vulnerability is CVE-2019-19906. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in cyrus-sasl 2.1.27. It has been declared as problematic. This vulnerability affects the function _sasl_add_string of the file common.c of the component OpenLDAP. The manipulation as part of a LDAP Packet leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was shared 12/19/2019. This vulnerability was named CVE-2019-19906. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-158591 and VDB-158658 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

cyrus-sasl

Version

2.1.27

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/19/2019 🔍
12/19/2019 +0 days 🔍
12/20/2019 +1 days 🔍
03/16/2024 +1548 days 🔍

Sourcesinfo

Advisory: 587
Status: Not defined

CVE: CVE-2019-19906 (🔍)
GCVE (CVE): GCVE-0-2019-19906
GCVE (VulDB): GCVE-100-147544
See also: 🔍

Entryinfo

Created: 12/20/2019 09:22
Updated: 03/16/2024 08:42
Changes: 12/20/2019 09:22 (38), 12/20/2019 09:27 (16), 03/16/2024 08:41 (5), 03/16/2024 08:42 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.