CVE-2017-18258

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb	Patch Vendor Advisory
https://usn.ubuntu.com/3739-1/
https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://security.netapp.com/advisory/ntap-20190719-0001/
https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*

Information

Published : 2018-04-08 10:29

Updated : 2020-09-09 18:15

NVD link : CVE-2017-18258

Mitre link : CVE-2017-18258

JSON object : View

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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Products Affected

xmlsoft

libxml2

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