Buffer overflow in Check Point Software Technologies Ltd. Freerdp
CVE-2018-8786
FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000
Affected products
- Check Point Software Technologies Ltd. Freerdp — versions All versions prior to 2.0.0-rc4
- Freerdp — versions 2.0.0
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- Fedoraproject Fedora — versions 28
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/106938 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2019/02/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3 (Patch, Vendor Advisory)
- usn.ubuntu.com/3845-1/ (vendor-advisory, Third Party Advisory)
- research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ (Exploit, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:0697 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/3845-2/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-8786?
- CVE-2018-8786 is a critical-severity vulnerability in Check Point Software Technologies Ltd. Freerdp, classified under Integer Overflow to Buffer Overflow. CVSS score: 9.8/10. Published 2018-11-29.
- How severe is CVE-2018-8786?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-8786 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.