Home/CVE/Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execut
CVE

CVE-2017-5581

Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execut

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.

CRITICAL · CVSS 9.8 EPSS 0.03195
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
tigervnc<= 1.7
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Feb 2017 · 06:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2017:2000Low
rhsaRHSA-2017:0630Low
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720baPatchThird Party Advisory
https://github.com/TigerVNC/tigervnc/pull/399PatchThird Party Advisory
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