CVE-2018-20177

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Source
https://cve.org/CVERecord?id=CVE-2018-20177
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20177.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-20177
Downstream
Related
Published
2019-03-15T18:29:00.423Z
Modified
2026-05-13T12:02:10.480099647Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdpinunistr() and results in memory corruption and possibly even a remote code execution.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "sle-15-sp1"
                }
            ]
        },
        {
            "source": "CPE_FIELD",
            "cpe": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
            "extracted_events": [
                {
                    "last_affected": "15.1"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/rdesktop/rdesktop

Affected ranges

Type
GIT
Repo
https://github.com/rdesktop/rdesktop
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
b793a87e6d87af0aba384cd07e123151b72031ab
Database specific 
{
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.8.3"
        }
    ]
}

Affected versions

v1.*
v1.2.0
v1.3.0
v1.3.1
v1.4.0
v1.4.1
v1.5.0
v1.6.0
v1.7.0
v1.7.1
v1.8.0
v1.8.1
v1.8.2
v1.8.3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-20177.json"