CVE-2018-20175 — Out-of-bounds Read in Rdesktop

CWE-125 — Out-of-bounds ReadCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 31.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
RdesktopDebian RdesktopDebian Linux
Timeline
PublishedMar 15
Latest updateMay 13

Description

rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/rdesktop< rdesktop 1.8.4-1 (bookworm)
▶Debianrdesktop/rdesktop< 1.8.4-1+3

Also affects: Debian Linux 8.0, 9.0

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-3v5c-fqm6-hqf5: rdesktop versions up to and including v1↗2022-05-13
▶
OSV
CVE-2018-20175: rdesktop versions up to and including v1↗2019-03-15
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📋Vendor Advisories

2
Red Hat
rdesktop: Denial of Service in mcs_recv_connect_response and mcs_parse_domain_params↗2019-01-04
▶
Debian
CVE-2018-20175: rdesktop - rdesktop versions up to and including v1.8.3 contains several Integer Signedness...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-20174 CVE-2018-20175 CVE-2018-20176 CVE-2018-20177 CVE-2018-20178 CVE-2018-20179 CVE-2018-20180 CVE-2018-20181 CVE-2018-20182 CVE-2018-8791 CVE-2018-8792 CVE-2018-8793 CVE-2018-8794 CVE-2018-↗2019-01-29
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Bugzilla
CVE-2018-20175 rdesktop: Denial of Service in mcs_recv_connect_response and mcs_parse_domain_params↗2019-01-29
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