critical9.8
CVE-2018-20748
LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Libvnc Project | Libvncserver | before 0.9.12 |
| Debian | Debian Linux | Version 8.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04, 18.10 |
| Siemens | Simatic Itc1500 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1500 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1900 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1900 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc2200 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc2200 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- 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://github.com/LibVNC/libvncserver/issues/273
- 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://www.openwall.com/lists/oss-security/2018/12/10/8
- 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://github.com/LibVNC/libvncserver/issues/273
- 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://www.openwall.com/lists/oss-security/2018/12/10/8