Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2001-0977

slapd in OpenLDAP 1.x before 1.2.12, and 2.x before 2.0.8, allows remote attackers to cause a denial of service (crash) via an invalid Basic Encoding Rules (BER) length field.

Security Impact Summary

CVE-2001-0977 is a security vulnerability that . Impacting 6 products from mandrakesoft, from openldap, from debian and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2001, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2001-07-16T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mandrakesoft	mandrake_single_network_firewall	7.2	Yes
Application	openldap	openldap	1.0	Yes
Application	openldap	openldap	1.0.1	Yes
Application	openldap	openldap	1.0.2	Yes
Application	openldap	openldap	1.0.3	Yes
Application	openldap	openldap	1.1	Yes
Application	openldap	openldap	1.1.1	Yes
Application	openldap	openldap	1.1.2	Yes
Application	openldap	openldap	1.1.3	Yes
Application	openldap	openldap	1.1.4	Yes
Application	openldap	openldap	1.2	Yes
Application	openldap	openldap	1.2.1	Yes
Application	openldap	openldap	1.2.2	Yes
Application	openldap	openldap	1.2.3	Yes
Application	openldap	openldap	1.2.4	Yes
Application	openldap	openldap	1.2.5	Yes
Application	openldap	openldap	1.2.6	Yes
Application	openldap	openldap	1.2.7	Yes
Application	openldap	openldap	1.2.8	Yes
Application	openldap	openldap	1.2.9	Yes
Application	openldap	openldap	1.2.10	Yes
Application	openldap	openldap	1.2.11	Yes
Application	openldap	openldap	1.2.12	Yes
Application	openldap	openldap	2.0	Yes
Application	openldap	openldap	2.0.1	Yes
Application	openldap	openldap	2.0.2	Yes
Application	openldap	openldap	2.0.3	Yes
Application	openldap	openldap	2.0.4	Yes
Application	openldap	openldap	2.0.5	Yes
Application	openldap	openldap	2.0.6	Yes
Application	openldap	openldap	2.0.7	Yes
Operating System	debian	debian_linux	2.2	Yes
Operating System	mandrakesoft	mandrake_linux	7.1	Yes
Operating System	mandrakesoft	mandrake_linux	7.2	Yes
Operating System	mandrakesoft	mandrake_linux	8.0	Yes
Operating System	mandrakesoft	mandrake_linux_corporate_server	1.0.1	Yes
Operating System	redhat	linux	6.2	Yes
Operating System	redhat	linux	7.0	Yes
Operating System	redhat	linux	7.1	Yes

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000417 ([email protected])
http://www.cert.org/advisories/CA-2001-18.html Patch, Third Party Advisory, US Government Resource ([email protected])
http://www.debian.org/security/2001/dsa-068 ([email protected])
http://www.kb.cert.org/vuls/id/935800 Patch, Third Party Advisory, US Government Resource ([email protected])
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-069.php3 Patch, Vendor Advisory ([email protected])
http://www.osvdb.org/1905 ([email protected])
http://www.redhat.com/support/errata/RHSA-2001-098.html ([email protected])
http://www.securityfocus.com/bid/3049 Patch, Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/6904 ([email protected])
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000417 (af854a3a-2127-422b-91ae-364da2661108)
http://www.cert.org/advisories/CA-2001-18.html Patch, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2001/dsa-068 (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/935800 Patch, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-069.php3 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/1905 (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2001-098.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/3049 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/6904 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mandrakesoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.