CVEvulnerability
CVE-2018-21247
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-06-17
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-909
Description
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.
Affected configurations
• libvnc project libvncserver (<= 0.9.12)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• debian debian linux 8.0
• debian debian linux 9.0
• siemens simatic itc1500 firmware (>= 3.0.0.0 < 3.2.1.0)
• siemens simatic itc1500 pro firmware (>= 3.0.0.0 < 3.2.1.0)
• siemens simatic itc1900 firmware (>= 3.0.0.0 < 3.2.1.0)
• siemens simatic itc1900 pro firmware (>= 3.0.0.0 < 3.2.1.0)
• siemens simatic itc2200 firmware (>= 3.0.0.0 < 3.2.1.0)
• siemens simatic itc2200 pro firmware (>= 3.0.0.0 < 3.2.1.0)
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-909 Missing Initialization of Resource weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/issues/253 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/ lists.fedoraproject.org
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/issues/253 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/ lists.fedoraproject.org