Auth bypass in Microsoft Windows
CVE-2008-4037
Microsoft Windows 2000 Gold through SP4, XP Gold through SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote SMB servers to execute arbitrary code on a client machine by replaying the NTLM credentials of a client user, as demonstrated by backrush, aka "SMB Credential Reflection Vulnerability." NOTE: some reliable sources report that this vulnerability exists because of an insufficient fix for CVE-2000-0834.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.591 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.591 · newest: 0.591 · change: 0.000
Affected products
- Microsoft Windows — versions server_2003, xp
- Microsoft Windows 2000
- Microsoft Windows Server 2008
- Microsoft Windows Vista
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory)
- www.networkworld.com/news/2008/111208-microsoft-seven-year-security-patch.html
- www.us-cert.gov/cas/techalerts/TA08-316A.html (US Government Resource, third-party-advisory)
- www.veracode.com/blog/2008/11/microsoft-fixes-8-year-old-design-flaw-in-smb/
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:6012 (signature, vdb-entry)
- osvdb.org/49736 (vdb-entry)
- securitytracker.com/id (vdb-entry)
- www.vupen.com/english/advisories/2008/3110 (vdb-entry, Vendor Advisory)
- www.xfocus.net/articles/200305/smbrelay.html
- docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-068 (vendor-advisory)
Frequently asked questions
- What is CVE-2008-4037?
- CVE-2008-4037 is a vulnerability in Microsoft Windows, classified under Improper Authentication. Published 2008-11-12.
- Is CVE-2008-4037 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.