Out-of-bounds read in rdesktop (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-20174 |
| CWE-ID | CWE-125 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
rdesktop (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds read
EUVDB-ID: #VU18008
Risk: Medium
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2018-20174
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary error in the function ui_clip_handle_data(). A remote attacker can send a specially crafted request to the affected application, trigger out-of-bounds read error and read contents of memory on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsrdesktop (Alpine package): 1.6.0-r0 - 1.8.3-r5
CPE2.3- cpe:2.3:o:alpine:rdesktop_alpine_package:1.8.3-r5:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:rdesktop_alpine_package:1.8.3-r0:*:*:*:*:alpine_linux:*:
- cpe:2.3:o:alpine:rdesktop_alpine_package:1.8.2-r0:*:*:*:*:alpine_linux:*:
http://git.alpinelinux.org/aports/commit/?id=301cf3549bf6a5fbfab3f5e96ad545b6e58b3fa0
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
