Buffer overflow in Rdesktop
CVE-2018-20177
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.
Vulnerability class: Integer Overflow
EPSS: 0.079 (94.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rdesktop
- Debian Debian_linux — versions 8.0, 9.0
- Opensuse Backports — versions sle-15
- Opensuse Leap — versions 15.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- cve@mitre.org (Patch, 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, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2018-20177?
- CVE-2018-20177 is a critical-severity vulnerability in Rdesktop, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-03-15.
- How severe is CVE-2018-20177?
- Critical severity. CVSS v3 base score is 9.8 out of 10.