Security readout for executives and security teams
CVE-2017-8817 is a curl/libcurl flaw in FTP wildcard handling before version 7.57.0. A remote attacker could make an affected application crash, creating denial-of-service risk. The record also mentions possible unspecified other impact, but the supplied evidence does not prove active exploitation or a specific data-theft path. Exposure is most likely where old curl or libcurl versions before 7.57.0 remain installed and applications use FTP wildcard functionality. Because libcurl is embedded in many tools and services, asset owners should check both operating-system packages and bundled application dependencies. Treat this as urgent legacy exposure cleanup. The score is critical and curl/libcurl is widely deployed, but the strongest supplied impact evidence is denial of service rather than confirmed compromise. Focus on finding unsupported or embedded old versions. Mitigation focus: Upgrade curl and libcurl to 7.57.0 or a vendor-fixed backport.; Apply relevant Gentoo, Debian, or Red Hat security updates where applicable.; Check vendor advisories for supported package versions and backport status..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2017-8817 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201712-04CVE reference · vendor-advisory, x_refsource_GENTOO
- RHSA-2018:3558CVE reference · vendor-advisory, x_refsource_REDHAT
- [debian-lts-announce] 20171130 [SECURITY] [DLA 1195-1] curl security updateCVE reference · mailing-list, x_refsource_MLIST
- https://curl.haxx.se/docs/adv_2017-ae72.htmlCVE reference · x_refsource_CONFIRM
- DSA-4051CVE reference · vendor-advisory, x_refsource_DEBIAN
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.