CVE-2018-8795
rdesktop: Remote code execution in process_bitmap_data
Severity by source
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Ubuntu (medium).
Description
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in function process_bitmap_updates() and results in a memory corruption and probably even a remote code execution.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | rdesktop | 1.8.6-r0 |
| alpine 3.11 | rdesktop | 1.8.6-r0 |
| alpine 3.12 | rdesktop | 1.8.6-r0 |
| alpine 3.13 | rdesktop | 1.8.6-r0 |
| alpine 3.14 | rdesktop | 1.8.6-r0 |
| alpine 3.15 | rdesktop | 1.8.6-r0 |
| alpine 3.16 | rdesktop | 1.8.6-r0 |
| alpine 3.17 | rdesktop | 1.8.6-r0 |
| alpine 3.18 | rdesktop | 1.8.6-r0 |
| alpine 3.19 | rdesktop | 1.8.6-r0 |
| alpine 3.20 | rdesktop | 1.8.6-r0 |
| alpine 3.21 | rdesktop | 1.8.6-r0 |
Show all 25 entries from 25 sources
| Source | Package | Fixed in |
|---|---|---|
| alpine 3.10 | rdesktop | 1.8.6-r0 |
| alpine 3.11 | rdesktop | 1.8.6-r0 |
| alpine 3.12 | rdesktop | 1.8.6-r0 |
| alpine 3.13 | rdesktop | 1.8.6-r0 |
| alpine 3.14 | rdesktop | 1.8.6-r0 |
| alpine 3.15 | rdesktop | 1.8.6-r0 |
| alpine 3.16 | rdesktop | 1.8.6-r0 |
| alpine 3.17 | rdesktop | 1.8.6-r0 |
| alpine 3.18 | rdesktop | 1.8.6-r0 |
| alpine 3.19 | rdesktop | 1.8.6-r0 |
| alpine 3.20 | rdesktop | 1.8.6-r0 |
| alpine 3.21 | rdesktop | 1.8.6-r0 |
| alpine 3.22 | rdesktop | 1.8.6-r0 |
| alpine 3.23 | rdesktop | 1.8.6-r0 |
| alpine 3.24 | rdesktop | 1.8.6-r0 |
| alpine edge | rdesktop | 1.8.6-r0 |
| debian 11 | rdesktop | 1.8.4-1 |
| debian 12 | rdesktop | 1.8.4-1 |
| debian 13 | rdesktop | 1.8.4-1 |
| debian 14 | rdesktop | 1.8.4-1 |
| debian 8 | rdesktop | 1.8.4-0+deb8u1 |
| debian 9 | rdesktop | 1.8.4-1~deb9u1 |
| echo | rdesktop | 1.8.4-1 |
| Red Hat | rdesktop | no fix listed |
| ubuntu 18.04-ESM | rdesktop | no fix listed |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
- http://www.securityfocus.com/bid/106938
- https://access.redhat.com/security/cve/CVE-2018-8795
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
- https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2%20%28v1.8.4%29
- https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-8795
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/