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cnvdChina National Vulnerability DatabaseCNVD-2022-18355
HistoryFeb 22, 2022 - 12:00 a.m.

Expat integer overflow vulnerability (CNVD-2022-18355)

2022-02-2200:00:00
China National Vulnerability Database
www.cnvd.org.cn
7

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

JSON

Expat is a fast streaming XML parser written in C. An integer overflow vulnerability exists prior to Expat 2.4.5, which stems from the presence of an integer overflow in storeRawNames. No detailed vulnerability details are currently available.

CPENameOperatorVersion
expat expatlt2.4.5

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9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

JSON
Related for CNVD-2022-18355
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