Home/CVE/The FTP wildcard function in curl and libcurl before 7.57.0 allows remote attackers to cause a denial of service (out-of
CVE

CVE-2017-8817

The FTP wildcard function in curl and libcurl before 7.57.0 allows remote attackers to cause a denial of service (out-of

The FTP wildcard function in curl and libcurl before 7.57.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) or possibly have unspecified other impact via a string that ends with an '[' character.

CRITICAL · CVSS 9.8 EPSS 0.00735
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

3
haxx curl>= 7.21.0 and <= 7.56.1
haxx libcurl> 7.21.0 and <= 7.56.1
debian linuxall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Download and Execute Pattern via Curl/Wget
producthighSuspicious File Download From File Sharing Domain Via Curl.EXE
producthighSuspicious File Download From IP Via Curl.EXE
producthighCurl Download And Execute Combination
producthighSuspicious Curl.EXE Download
productmediumSuspicious Curl File Upload - Linux
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@debian.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Nov 2017 · 06:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
suse-csafopenSUSE-SU-2024:10582-1
rhsaRHSA-2018:3558Moderate
suse-csafSUSE-SU-2018:0122-1
usnUSN-3498-2
usnUSN-3498-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://security.cucumberlinux.com/security/details.php?id=162Third Party Advisory
http://www.securityfocus.com/bid/102057Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039897Third Party AdvisoryVDB Entry
https://curl.haxx.se/docs/adv_2017-ae72.htmlMitigationVendor Advisory
https://lists.debian.org/debian-lts-announce/2017/11/msg00040.html
https://security.gentoo.org/glsa/201712-04
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