CVE-2015-1671
What it is
The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2; Office 2007 SP3 and 2010 SP2; Live Meeting 2007 Console; Lync 2010; Lync 2010 Attendee; Lync 2013 SP1; Lync Basic 2013 SP1; Silverlight 5 before 5.1.40416.00; and Silverlight 5 Developer Runtime before 5.1.40416.00, allows remote attackers to execute arbitrary code via a crafted TrueType font, aka "TrueType Font Parsing Vulnerability."
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-05-25 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-06-15 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 48.8% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-05-25
- Exploit probability
- 48.8% · EPSS, next 30 days
- Record status
- Analyzed
Affected
- Microsoft .net Framework 3.0
- Microsoft .net Framework 4.0
- Microsoft .net Framework 4.5
- Microsoft .net Framework 4.5.1
- Microsoft .net Framework 4.5.2
- Microsoft .net Framework 3.5.1
- Microsoft .net Framework 3.5
- Microsoft Live Meeting 2007
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2015-1671.md and follow it. Check whether this project is affected by CVE-2015-1671. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
References
- http://www.securityfocus.com/bid/74490
- http://www.securitytracker.com/id/1032281
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
- http://www.securityfocus.com/bid/74490
- http://www.securitytracker.com/id/1032281
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-044
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1671