CVE-2018-20177 rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a...
CriticalCVSS 9.8
EPSS 7.9%
- Published
- Updated
- Exploit status
- No public exploit known
Description
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/rdesktop(Debian:12) | < 1.8.4-1 | 1.8.4-1 |
| debian/rdesktop(Debian:13) | < 1.8.4-1 | 1.8.4-1 |
| debian/rdesktop(Debian:14) | < 1.8.4-1 | 1.8.4-1 |
| rdesktop | <= 1.8.3 | No fix listed |
| debian linux | = 8.0 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| openSUSE backports | = sle-15-sp1 | No fix listed |
| openSUSE leap | = 15.1 | No fix listed |
| alpine/rdesktop(Alpine:v3.10) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.11) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.12) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.13) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.14) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.15) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.16) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.17) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.18) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.19) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.20) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.21) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.22) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.23) | < 1.8.6-r0 | 1.8.6-r0 |
| alpine/rdesktop(Alpine:v3.24) | < 1.8.6-r0 | 1.8.6-r0 |
References
- Debian Security Tracker CVE-2018-20177 vendor-advisory
- openSUSE-SU-2019:2135 mailing-list third-party-advisory vendor-advisory
- 106938 broken-link third-party-advisory vdb-entry
- github.com patch
- [debian-lts-announce] 20190219 [SECURITY] [DLA 1683-1] rdesktop security update mailing-list third-party-advisory
- research.checkpoint.com exploit third-party-advisory
- GLSA-201903-06 third-party-advisory vendor-advisory
- DSA-4394 third-party-advisory vendor-advisory
- security.alpinelinux.org vendor-advisory