Improper input validation in Microsoft Windows Xp
CVE-2014-4971
Microsoft Windows XP SP3 does not validate addresses in certain IRP handler routines, which allows local users to write data to arbitrary memory locations, and consequently gain privileges, via a crafted address in an IOCTL call, related to (1) the MQAC.sys driver in the MQ Access Control subsystem and (2) the BthPan.sys driver in the Bluetooth Personal Area Networking subsystem.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.230 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.230 · newest: 0.230 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1031025 (VDB Entry, Third Party Advisory, vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-062 (vendor-advisory)
- www.securityfocus.com/bid/68764 (vdb-entry)
- blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-… (Vendor Advisory)
- www.korelogic.com/Resources/Advisories/KL-001-2014-002.txt (Exploit)
- www.securityfocus.com/archive/1/532844/100/0/threaded (mailing-list)
- packetstormsecurity.com/files/127536/Microsoft-XP-SP3-MQAC.sys-Arbitrary-Write-…
- www.exploit-db.com/exploits/34112 (Exploit, exploit)
- www.exploit-db.com/exploits/34131 (exploit)
- www.korelogic.com/Resources/Advisories/KL-001-2014-003.txt (Exploit)
Frequently asked questions
- What is CVE-2014-4971?
- CVE-2014-4971 is a vulnerability in Microsoft Windows Xp, classified under Improper Input Validation. Published 2014-07-26.
- Is CVE-2014-4971 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.