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CVE-2023-32636

Quick assessment

Affected
glib glib
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

glib2是GNOME项目的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 glib2 存在资源管理错误漏洞， 该漏洞源于fuzz_variant_text 对偏移表有效性进行了新的额外检查，导致超时。

CVSS 4.7 · Medium EPSS 0.79% · P55

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
glib glib 2.75.1 affected
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I. Basic Information for CVE-2023-32636

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in glib, where the gvariant deserialization code is vulnerable to a denial of service introduced by additional input validation added to resolve CVE-2023-29499. The offset table validation may be very slow. This bug does not affect any released version of glib but does affect glib distributors who followed the guidance of glib developers to backport the initial fix for CVE-2023-29499.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
glib2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
glib2是GNOME项目的一个通用的、可移植的实用程序库。提供了许多有用的数据类型、宏、类型转换、字符串实用程序、文件实用程序、主循环抽象等。 glib2 存在资源管理错误漏洞， 该漏洞源于fuzz_variant_text 对偏移表有效性进行了新的额外检查，导致超时。
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
glib glib 2.75.1 -

II. Public POCs for CVE-2023-32636

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-32636

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Vendor Advisories for CVE-2023-32636 (1)

Other References for CVE-2023-32636 (2)

IV. Related Vulnerabilities

Same product: glib
Same vendor: glib
Same weakness: CWE-400

V. Comments for CVE-2023-32636

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