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CVE-2017-9304

Good to know:

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Date: May 30, 2017

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule that is mishandled in the _yr_re_emit function.

Language: C

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2017-9304
https://github.com/VirusTotal/yara/issues/674
https://nvd.nist.gov/vuln/detail/CVE-2017-9304
https://github.com/VirusTotal/yara/commit/925bcf3c3b0a28b5b78e25d9efda5c0bf27ae699
https://security-tracker.debian.org/tracker/CVE-2017-9304
https://www.mend.io/vulnerability-database/CVE-2017-9304

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Uncontrolled Recursion

CWE-674

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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