CVE-2017-5581
UnknownEPSS 4.25%
Last modified
CVE-2017-5581 is a vulnerability of currently unknown severity. Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.. EPSS estimates a 4.25% chance of exploitation in the next 30 days.
Description
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tigervnc | Tigervnc | <= 1.7 |
References
- http://www.openwall.com/lists/oss-security/2017/01/22/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95789Third Party Advisory, VDB Entry
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720baPatch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/pull/399Patch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1Release Notes, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/22/1Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/95789Third Party Advisory, VDB Entry
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720baPatch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/pull/399Patch, Third Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-5581?
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
How severe is CVE-2017-5581?
Severity scoring for CVE-2017-5581 is pending analysis. The EPSS model estimates a 4.25% probability of exploitation in the next 30 days.
How do I fix CVE-2017-5581?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-5581?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST