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CVE-2024-7264— ASN.1 date parser overread

Quick assessment

Affected
curl curl
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

curl是一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于如果给定一个语法不正确的字段，可能将堆内容返回给应用程序或者导致崩溃。

AI Predicted 7.5 Difficulty: Moderate EPSS 17.30% · P97
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I. Basic Information for CVE-2024-7264

Vulnerability Information
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Vulnerability Title
ASN.1 date parser overread
Source: CVE Program / CVE List V5
Vulnerability Description
libcurl's ASN1 parser code has the `GTime2str()` function, used for parsing an ASN.1 Generalized Time field. If given an syntactically incorrect field, the parser might end up using -1 for the length of the *time fraction*, leading to a `strlen()` getting performed on a pointer to a heap buffer area that is not (purposely) null terminated. This flaw most likely leads to a crash, but can also lead to heap contents getting returned to the application when [CURLINFO_CERTINFO](https://curl.se/libcurl/c/CURLINFO_CERTINFO.html) is used.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
curl 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
curl是一款用于从服务器传输数据或向服务器传输数据的工具。 curl存在安全漏洞，该漏洞源于如果给定一个语法不正确的字段，可能将堆内容返回给应用程序或者导致崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
curl curl 8.9.0 ~ 8.9.0 -

II. Public POCs for CVE-2024-7264

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III. Intelligence Information for CVE-2024-7264

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Mailing List Discussions for CVE-2024-7264 (1)

Other References for CVE-2024-7264 (3)

IV. Related Vulnerabilities

Same product: curl
Same vendor: curl

V. Comments for CVE-2024-7264

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