CVE-2018-20181: Buffer Overflow
rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamlessprocess() and results in memory corruption and probably even a remote code execution.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/rdesktopto a version that resolves this vulnerability.Fixed in 1.8.6-2Fixed in 1.9.0-2 - Upgrade
Upgrade
alpine/rdesktopto a version that resolves this vulnerability.Fixed in 1.8.6-r0
Event History
Frequently Asked Questions
What is the severity of CVE-2018-20181?
CVE-2018-20181 is classified as a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2018-20181?
To fix CVE-2018-20181, upgrade rdesktop to version 1.8.6-2 or 1.9.0-2.
What versions of rdesktop are affected by CVE-2018-20181?
rdesktop versions up to and including 1.8.3 are affected by CVE-2018-20181.
What does CVE-2018-20181 exploit?
CVE-2018-20181 exploits an Integer Underflow leading to a Heap-Based Buffer Overflow and memory corruption.
Is remote code execution possible with CVE-2018-20181?
Yes, CVE-2018-20181 can result in remote code execution due to the vulnerability present in rdesktop.