Heap-Based Buffer Overflow in rdesktop Affects Multiple Versions
CVE-2018-20177

9.8CRITICAL

Key Information:

Vendor

Rdesktop

Status
Rdesktop
Vendor
CVE Published:
15 March 2019

What is CVE-2018-20177?

rdesktop versions up to and including 1.8.3 contain a vulnerability within the function rdp_in_unistr() that can lead to an integer overflow, resulting in a heap-based buffer overflow. This issue allows for memory corruption, which could potentially be exploited for remote code execution, posing significant risks to users and systems relying on this remote desktop protocol client.

References

http://www.securityfocus.com/bid/106938
vdb-entryx_refsource_BID
https://github.com/rdesktop/rdesktop/commit/4dca546d04321...
x_refsource_MISC
https://security.gentoo.org/glsa/201903-06
vendor-advisoryx_refsource_GENTOO

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.