CVEvulnerability
CVE-2018-20748
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-01-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
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.
Affected configurations
• libvnc project libvncserver (< 0.9.12)
• debian debian linux 8.0
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• 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)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7 Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/issues/273 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ Third Party Advisory
- https://usn.ubuntu.com/4587-1/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/12/10/8 Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7 Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c Patch, Third Party Advisory
- https://github.com/LibVNC/libvncserver/issues/273 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ Third Party Advisory
- https://usn.ubuntu.com/4587-1/ Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/12/10/8 Exploit, Mailing List, Third Party Advisory