CVE-2008-2952
Description
liblber/io.c in OpenLDAP 2.2.4 to 2.4.10 allows remote attackers to cause a denial of service (program termination) via crafted ASN.1 BER datagrams that trigger an assertion error.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
OpenLDAP 2.3.41 - BER Decoding Remote Denial of Service
source: https://www.securityfocus.com/bid/30013/info
OpenLDAP is prone to a remote denial-of-service vulnerability.
Attackers can exploit this issue to deny service to legitimate users by crashing affected servers.
OpenLDAP 2.3.41 is vulnerable to this issue; earlier versions back to approximately 2.1.18 as well as newer versions may also be affected.
slapd -h ldap:// -d511 &
perl -e 'print "\xff\xff\xff\x00\x84\x41\x42\x43\x44"' | nc localhost 389 OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.4.10-3 |
| sid | Fixed | 2.4.10-3 |
| forky | Fixed | 2.4.10-3 |
| bullseye | Fixed | 2.4.10-3 |
| bookworm | Fixed | 2.4.10-3 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.