CVE-2017-8759
Confirmed PUBLISHEDMicrosoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."
- CVE Published
- Sep 13, 2017
- Exploitation Reported
- Nov 03, 2021
- CVSS
- 7.8 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Microsoft Corporation |
Microsoft .NET Framework
|
Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 |
Affected |
CVE References
- 42711 exploit-db.com · Exploit https://www.exploit-db.com/exploits/42711/
- 100742 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/100742
- 1039324 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1039324
- GitHub — bhdresh/CVE-2017-8759 github.com · CVE Record https://github.com/bhdresh/CVE-2017-8759
- GitHub — nccgroup/CVE-2017-8759 github.com · CVE Record https://github.com/nccgroup/CVE-2017-8759
Show 2 more references
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759 portal.msrc.microsoft.com · CVE Record https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CV...
- GitHub — GitHubAssessments/CVE_Assessments_01_2020 github.com · CVE Record https://github.com/GitHubAssessments/CVE_Assessments_01_2020
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2021-11-03 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2021-11-03 00:00:00 UTC · CISA
Proof of concept available
Recorded 2017-09-13 09:50:04 UTC · GitHub
Weaknesses (CWE)
-
Improper Control of Generation of Code ('Code Injection')
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2018-12-11 21:39:39 UTC · 0 stars
Just My ports of CVE-2017-8759
github · Created 2017-09-24 06:58:55 UTC · 0 stars
github · Created 2017-09-19 06:12:10 UTC · 2 stars
Two versions of CVE-2017-8759 exploits
github · Created 2017-09-17 22:05:56 UTC · 6 stars
Simple C# implementation of CVE-2017-8759
github · Created 2017-09-14 10:04:39 UTC · 317 stars
Exploit toolkit CVE-2017-8759 - v1.0 is a handy python script which provides pentesters and security researchers a quick and effective way to test Microsoft .NET Framework RCE. It could generate a malicious RTF file and deliver metasploit / meterpreter / other payload to victim without any complex configuration.
github · Created 2017-09-14 06:20:28 UTC · 1 stars
CVE-2017-8759 Remote Code Execution Vulnerability On SOAP WDSL - Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.6.1 Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 3.5
github · Created 2017-09-13 20:31:43 UTC · 0 stars
github · Created 2017-09-13 17:10:18 UTC · 176 stars
CVE-2017-8759 - A vulnerability in the SOAP WDSL parser.
github · Created 2017-09-13 15:24:10 UTC · 96 stars
NCC Group's analysis and exploitation of CVE-2017-8759 along with further refinements
github · Created 2017-09-13 09:50:04 UTC · 255 stars
Running CVE-2017-8759 exploit sample.
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
09:50 UTC almost 9 years ago09:50 UTC · almost 9 years ago
Public PoC available
Public proof-of-concept code published
-
01:00 UTC almost 9 years ago01:00 UTC · almost 9 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC about 9 years ago00:00 UTC · about 9 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2017-8759
{
"cve_id": "CVE-2017-8759",
"title": "Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 al...",
"affected_vendor": "Microsoft Corporation",
"affected_product": "Microsoft .NET Framework",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}