CVE-2018-8786
- Source
- https://cve.org/CVERecord?id=CVE-2018-8786
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8786.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2018-8786
- Downstream
- Related
- Published
- 2018-11-29T18:29:00.897Z
- Modified
- 2026-07-08T18:16:20.083342Z
- 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
-
FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function updatereadbitmap_update() and results in a memory corruption and probably even a remote code execution.
- Database specific
{ "unresolved_ranges": [ { "cpes": [ "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*" ], "extracted_events": [ { "last_affected": "1.2.0" } ], "vendor_product": "freerdp:freerdp", "source": "CPE_RANGE" }, { "cpes": [ "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "14.04" }, { "last_affected": "14.04" }, { "introduced": "16.04" }, { "last_affected": "16.04" }, { "introduced": "18.04" }, { "last_affected": "18.04" }, { "introduced": "18.10" }, { "last_affected": "18.10" } ], "vendor_product": "canonical:ubuntu_linux", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "8.0" }, { "last_affected": "8.0" } ], "vendor_product": "debian:debian_linux", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "28" }, { "last_affected": "28" } ], "vendor_product": "fedoraproject:fedora", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.0" }, { "last_affected": "7.0" } ], "vendor_product": "redhat:enterprise_linux_desktop", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.0" }, { "last_affected": "7.0" } ], "vendor_product": "redhat:enterprise_linux_server", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.6" }, { "last_affected": "7.6" } ], "vendor_product": "redhat:enterprise_linux_server_aus", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.6" }, { "last_affected": "7.6" } ], "vendor_product": "redhat:enterprise_linux_server_eus", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.6" }, { "last_affected": "7.6" } ], "vendor_product": "redhat:enterprise_linux_server_tus", "source": "CPE_STRING" }, { "cpes": [ "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "7.0" }, { "last_affected": "7.0" } ], "vendor_product": "redhat:enterprise_linux_workstation", "source": "CPE_STRING" } ] }- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YVJKO2DR5EY4C4QZOP7SNNBEW2JW6FHX/
- http://www.securityfocus.com/bid/106938
- https://access.redhat.com/errata/RHSA-2019:0697
- https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html
- https://usn.ubuntu.com/3845-1/
- https://usn.ubuntu.com/3845-2/
- https://github.com/FreeRDP/FreeRDP/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
Affected packages
Git / github.com/freerdp/freerdp
Affected ranges
- Type
- GIT
- Repo
- https://github.com/freerdp/freerdp
- Events
-
IntroducedLast affectedFixed
- Database specific
{ "cpe": [ "cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*", "cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:*", "cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "2.0.0-rc1" }, { "last_affected": "2.0.0-rc1" }, { "introduced": "2.0.0-rc2" }, { "last_affected": "2.0.0-rc2" }, { "introduced": "2.0.0-rc3" }, { "last_affected": "2.0.0-rc3" } ], "source": [ "CPE_STRING", "REFERENCES" ] }
Database specific
vanir_signatures_modified
"2026-07-08T18:16:20Z"
vanir_signatures
[
{
"target": {
"file": "libfreerdp/core/update.c"
},
"id": "CVE-2018-8786-329bcc0f",
"digest": {
"line_hashes": [
"277412402092088770970227068718825036570",
"19949609365906676926611150519084190162",
"173837865023928608710399833805419044716",
"38405521424971384750527164843034544433",
"381943150044839693544949876781249402",
"84888265312188415829015054362422333548",
"64004066360059197763567408381924309212",
"18415665860704505989511078769674884176"
],
"threshold": 0.9
},
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3"
},
{
"target": {
"function": "update_read_bitmap_update",
"file": "libfreerdp/core/update.c"
},
"id": "CVE-2018-8786-bd281f72",
"digest": {
"function_hash": "257981003131345004245955199540566677553",
"length": 834.0
},
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"source": "https://github.com/freerdp/freerdp/commit/445a5a42c500ceb80f8fa7f2c11f3682538033f3"
}
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-8786.json"