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cnvdChina National Vulnerability DatabaseCNVD-2022-18358
HistoryJan 28, 2022 - 12:00 a.m.

Expat integer overflow vulnerability

2022-01-2800:00:00
China National Vulnerability Database
www.cnvd.org.cn
13

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

JSON

Expat is a fast streaming XML parser written in C. An integer overflow vulnerability exists in versions of Expat prior to 2.4.4, which stems from a boundary error when processing untrusted input and can be exploited by remote attackers to execute arbitrary code on the system.

CPENameOperatorVersion
expat expatlt2.4.4

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

JSON
Related for CNVD-2022-18358
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