Home/CVE/Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow
CVE

CVE-2016-7098

Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow

Race condition in wget 1.17 and earlier, when used in recursive or mirroring mode to download a single file, might allow remote servers to bypass intended access list restrictions by keeping an HTTP connection open.

HIGH · CVSS 8.1 EPSS 0.06681
Act now
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
▤

Affected Products & Versions

1
gnu wget<= 1.17
⚠

Public Exploits & PoCs

3
remoteGNU Wget < 1.18 - Access List Bypass / Race Conditionverified
poclists.gnu.org · msg00083.htmllists.gnu.org
pocwww.exploit-db.com · 40824www.exploit-db.com
◈

Sigma Hunt Rules

7
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 IP Via Wget.EXE
producthighSuspicious File Download From IP Via Wget.EXE - Paths
producthighSuspicious File Download From File Sharing Domain Via Wget.EXE
productmediumDownload File To Potentially Suspicious Directory Via Wget
productmediumData Exfiltration with Wget
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.0 · secalert@redhat.com
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 NVD26 Sep 2016 · 02:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
usnUSN-3464-2
usnUSN-3464-1
suse-csafSUSE-SU-2016:3268-1
suse-csafSUSE-SU-2016:2358-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.gnu.org/archive/html/bug-wget/2016-08/msg00134.htmlMailing List
http://lists.opensuse.org/opensuse-updates/2016-09/msg00044.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2017-01/msg00007.html
http://www.openwall.com/lists/oss-security/2016/08/27/2Mailing List
http://www.securityfocus.com/bid/93157
https://lists.debian.org/debian-lts-announce/2020/01/msg00031.html
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