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[Bug 1039012] New: VUL-0: CVE-2017-8929: yara: denial of service (use-after-free and application crash) via a crafted rule
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 15 May 2017 06:29:09 +0000
  • Message-id: <bug-1039012-21960@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1039012


Bug ID: 1039012
Summary: VUL-0: CVE-2017-8929: yara: denial of service
(use-after-free and application crash) via a crafted
rule
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.2
Hardware: Other
OS: Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Security
Assignee: security-team@xxxxxxx
Reporter: mikhail.kasimov@xxxxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Ref: https://nvd.nist.gov/vuln/detail/CVE-2017-8929
===================================================
Description

The sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote
attackers to cause a denial of service (use-after-free and application crash)
via a crafted rule.
===================================================


Hyperlink

[1] https://github.com/VirusTotal/yara/issues/658

[2]
https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e

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