CVE-2018-20748
- Source
- https://cve.org/CVERecord?id=CVE-2018-20748
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20748.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-20748
- Downstream
MGASA (1)
openSUSE (2)
- Related
- Published
- 2019-01-30T18:29:00Z
- Modified
- 2026-10-20T10:49:54Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.
- Database specific
{ "unresolved_ranges": [ { "cpes": [ "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc1500_firmware" }, { "cpes": [ "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc1500_pro_firmware" }, { "cpes": [ "cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc1900_firmware" }, { "cpes": [ "cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc1900_pro_firmware" }, { "cpes": [ "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc2200_firmware" }, { "cpes": [ "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "3.0.0.0" }, { "fixed": "3.2.1.0" } ], "source": "CPE_RANGE" } ], "vendor_product": "siemens:simatic_itc2200_pro_firmware" }, { "cpes": [ "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "14.04" }, { "last_affected": "14.04" }, { "introduced": "16.04" }, { "last_affected": "16.04" }, { "introduced": "18.04" }, { "last_affected": "18.04" }, { "introduced": "18.10" }, { "last_affected": "18.10" } ], "source": "CPE_STRING" } ], "vendor_product": "canonical:ubuntu_linux" }, { "cpes": [ "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "range": [ { "introduced": "8.0" }, { "last_affected": "8.0" }, { "introduced": "8.0" }, { "last_affected": "8.0" } ], "source": "CPE_STRING" } ], "vendor_product": "debian:debian_linux" } ] }- References
-
- https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://usn.ubuntu.com/3877-1/
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4587-1/
- https://github.com/LibVNC/libvncserver/issues/273
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae
- https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7
- https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a
- https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c
- https://www.openwall.com/lists/oss-security/2018/12/10/8
Affected packages
Git / github.com/libvnc/libvncserver
Affected ranges
- Type
- GIT
- Repo
- https://github.com/libvnc/libvncserver
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixedFixedFixedFixed
- Database specific
-
Show details
{ "extracted_events": [ { "cpe": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*", "range": [ { "introduced": "0" }, { "fixed": "0.9.12" } ], "source": "CPE_RANGE" }, { "range": [ { "fixed": "a64c3b37af9a6c8f8009d7516874b8d266b42bae" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a" } ], "source": "REFERENCES_COMMIT" }, { "range": [ { "fixed": "e34bcbb759ca5bef85809967a268fdf214c1ad2c" } ], "source": "REFERENCES_COMMIT" } ] }