Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tigervnc | Tigervnc | <= 1.7 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/01/22/1Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/6Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95789Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba507PatchThird Party Advisory
- https://github.com/TigerVNC/tigervnc/pull/399PatchThird Party Advisory
- https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1Release NotesThird Party Advisory
- https://security.gentoo.org/glsa/201702-19
- http://rhn.redhat.com/errata/RHSA-2017-0630.html
- http://www.openwall.com/lists/oss-security/2017/01/22/1Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/6Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95789Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba507PatchThird Party Advisory
FAQ
What is CVE-2017-5581?
CVE-2017-5581 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 bounda...
How severe is CVE-2017-5581?
CVE-2017-5581 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2017-5581?
Check the references section above for vendor advisories and patch information. Affected products include: Tigervnc Tigervnc.