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CVE-2017-18258

Good to know:

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Date: April 8, 2018

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

Language: C

Severity Score

Related Resources (13)

https://nvd.nist.gov/vuln/detail/CVE-2017-18258
https://security.netapp.com/advisory/ntap-20190719-0001/
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb
https://access.redhat.com/security/cve/CVE-2017-18258
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://github.com/advisories/GHSA-882p-jqgm-f45g
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2017-18258.yml
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
https://usn.ubuntu.com/3739-1
https://usn.ubuntu.com/3739-1/
https://security.netapp.com/advisory/ntap-20190719-0001
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
https://www.mend.io/vulnerability-database/CVE-2017-18258

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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CVSS v3.1

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

CVSS v2

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

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