CVE-2010-2063
Description
Buffer overflow in the SMB1 packet chaining implementation in the chain_reply function in process.c in smbd in Samba 3.0.x before 3.3.13 allows remote attackers to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted field in a packet.
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
Samba 3.3.12 (Linux x86) - 'chain_reply' Memory Corruption (Metasploit)
Metasploit modules
OS impact
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 9.04 | Affected | — |
| 8.04 | Affected | — |
| 6.06 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:3.4.0~pre1-1 |
| sid | Fixed | 2:3.4.0~pre1-1 |
| forky | Fixed | 2:3.4.0~pre1-1 |
| bullseye | Fixed | 2:3.4.0~pre1-1 |
| bookworm | Fixed | 2:3.4.0~pre1-1 |
| 5.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| samba | samba | {"startIncluding":"3.0.0","endIncluding":"3.3.12"} | |
References
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=873
- http://lists.apple.com/archives/security-announce/2010//Aug/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- http://marc.info/?l=bugtraq&m=129138831608422&w=2
- http://marc.info/?l=bugtraq&m=130835366526620&w=2
- http://marc.info/?l=samba-announce&m=127668712312761&w=2
- http://osvdb.org/65518
- http://secunia.com/advisories/40145
- http://secunia.com/advisories/40210
- http://secunia.com/advisories/40221
- http://secunia.com/advisories/40293
- http://secunia.com/advisories/42319
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.471914
- http://support.apple.com/kb/HT4312
- http://ubuntu.com/usn/usn-951-1
- http://www.debian.org/security/2010/dsa-2061
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:119
- http://www.redhat.com/support/errata/RHSA-2010-0488.html
- http://www.samba.org/samba/ftp/history/samba-3.3.13.html
- http://www.samba.org/samba/ftp/patches/security/samba-3.0.37-CVE-2010-2063.patch
- http://www.samba.org/samba/ftp/patches/security/samba-3.3.12-CVE-2010-2063.patch
- http://www.samba.org/samba/security/CVE-2010-2063.html
- http://www.securityfocus.com/bid/40884
- http://www.securitytracker.com/id?1024107
- http://www.vupen.com/english/advisories/2010/1486
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.