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cnvdChina National Vulnerability DatabaseCNVD-2023-75809
HistoryOct 11, 2023 - 12:00 a.m.

cURL SOCKS5 Heap Overflow Vulnerability

2023-10-1100:00:00
China National Vulnerability Database
www.cnvd.org.cn
13
curl network data transfer command line tool
libcurl library
heap overflow vulnerability
socks5
attacker exploit
code execution
malicious hostname

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

7.6 High

AI Score

Confidence

Low

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

0.001 Low

EPSS

Percentile

27.4%

JSON

cURL is a network data transfer project. Usually when we say cURL, we mean the cURL command line tool. cURL’s underlying use is the libcurl library. A heap overflow vulnerability exists in cURL SOCKS5, which can be exploited by an attacker to construct a malicious hostname and cause code execution.

CPENameOperatorVersion
curl libcurl >=7.69.0，le8.3.0

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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

7.6 High

AI Score

Confidence

Low

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

0.001 Low

EPSS

Percentile

27.4%

JSON
Related for CNVD-2023-75809
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