Out-of-bounds Read in Rdesktop
CVE-2018-20178
rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in the function process_demand_active() that results in a Denial of Service (segfault).
Vulnerability class: Buffer Overflow
EPSS: 0.043 (90.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Rdesktop
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-20178?
- CVE-2018-20178 is a high-severity vulnerability in Rdesktop, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2019-03-15.
- How severe is CVE-2018-20178?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-20178 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.