CVE-2010-3073
Description
SSL_Cipher.cpp in EncFS before 1.7.0 does not properly handle integer data sizes when constructing headers intended for randomization of initialization vectors, which makes it easier for local users to obtain sensitive information by defeating cryptographic protection mechanisms.
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
EncFS 1.6.0 - Flawed CBC/CFB Cryptography Implementation
OS impact
Debian Fixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.7.2-1 |
| sid | Fixed | 1.7.2-1 |
| bullseye | Fixed | 1.7.2-1 |
| bookworm | Fixed | 1.7.2-1 |
References
- http://archives.neohapsis.com/archives/fulldisclosure/2010-08/0316.html
- http://code.google.com/p/encfs/source/detail?r=59
- http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047794.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047798.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047825.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
- http://secunia.com/advisories/41158
- http://secunia.com/advisories/41478
- http://www.openwall.com/lists/oss-security/2010/09/05/3
- http://www.openwall.com/lists/oss-security/2010/09/06/1
- http://www.openwall.com/lists/oss-security/2010/09/07/8
- http://www.vupen.com/english/advisories/2010/2414
- https://bugzilla.redhat.com/show_bug.cgi?id=630460
- https://security-tracker.debian.org/tracker/CVE-2010-3073
CWEs
CWE-310
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.