CVE-2018-20749

Summary

CVECVE-2018-20749
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-01-30 18:29:00 UTC
Updated2022-03-09 21:54:00 UTC
DescriptionLibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.10 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Libvnc Project Libvncserver All All All All
Application Libvnc Project Libvncserver All All All All
Hardware Siemens Simatic Itc1500 - All All All
Operating System Siemens Simatic Itc1500 Firmware All All All All
Hardware Siemens Simatic Itc1500 Pro - All All All
Operating System Siemens Simatic Itc1500 Pro Firmware All All All All
Hardware Siemens Simatic Itc1900 - All All All
Operating System Siemens Simatic Itc1900 Firmware All All All All
Hardware Siemens Simatic Itc1900 Pro - All All All
Operating System Siemens Simatic Itc1900 Pro Firmware All All All All
Hardware Siemens Simatic Itc2200 - All All All
Operating System Siemens Simatic Itc2200 Firmware All All All All
Hardware Siemens Simatic Itc2200 Pro - All All All
Operating System Siemens Simatic Itc2200 Pro Firmware All All All All

References

ReferenceSourceLinkTags
USN-3877-1: LibVNCServer vulnerabilities | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
USN-4547-1: iTALC vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
oss-security - Re: libvnc and tightvnc vulnerabilities MISC www.openwall.com Exploit, Mailing List, Third Party Advisory
Error out in rfbProcessFileTransferReadBuffer if length can not be al… · LibVNC/libvncserver@15bb719 · GitHub MISC github.com Patch, Third Party Advisory
SECURITY: malloc((uint64_t)length + 1) is unsafe, especially on 32-bit systems · Issue #273 · LibVNC/libvncserver · GitHub MISC github.com Issue Tracking, Third Party Advisory
LibVNCServer Incomplete Fix Multiple Heap Buffer Overflow Vulnerabilities BID www.securityfocus.com Third Party Advisory, VDB Entry
[SECURITY] [DLA 1979-1] italc security update MLIST lists.debian.org
[SECURITY] [DLA 1652-1] libvncserver security update MLIST lists.debian.org Third Party Advisory
USN-4587-1: iTALC vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf CONFIRM cert-portal.siemens.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590668 Siemens SIMATIC ITC Multiple Vulnerabilities (ICSA-21-350-12)
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