CVE-2023-43786: Libx11: stack exhaustion from infinite recursion in putsubimage()

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I. Basic Information for CVE-2023-43786

Vulnerability Information

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Vulnerability Title

Libx11: stack exhaustion from infinite recursion in putsubimage()

Source: NVD (National Vulnerability Database)

Vulnerability Description

A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.

Source: NVD (National Vulnerability Database)

CVSS Information

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

Source: NVD (National Vulnerability Database)

Vulnerability Type

未加控制的资源消耗(资源穷尽)

Source: NVD (National Vulnerability Database)

Vulnerability Title

X.Org libX11 安全漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

X.Org libX11是X.org基金会的一个X11（X Window系统）客户端库。 libX11存在安全漏洞，该漏洞源于函数PutSubImage（）存在无限循环。攻击者可利用该漏洞消耗系统资源并造成拒绝服务（DoS）。

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
Red Hat	Red Hat Enterprise Linux 8	0:1.6.8-8.el8 ~ *	`cpe:/a:redhat:enterprise_linux:8::appstream`
Red Hat	Red Hat Enterprise Linux 9	0:1.7.0-9.el9 ~ *	`cpe:/a:redhat:enterprise_linux:9::appstream`
Red Hat	Red Hat Enterprise Linux 6	-	`cpe:/o:redhat:enterprise_linux:6`
Red Hat	Red Hat Enterprise Linux 7	-	`cpe:/o:redhat:enterprise_linux:7`

II. Public POCs for CVE-2023-43786

#	POC Description	Source Link	Shenlong Link
1	None	https://github.com/jfrog/jfrog-CVE-2023-43786-libX11_DoS	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2023-43786

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https://access.redhat.com/security/cve/CVE-2023-43786vdb-entryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2024/01/24/9
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ/
https://security.netapp.com/advisory/ntap-20231103-0006/
https://bugzilla.redhat.com/show_bug.cgi?id=2242253issue-trackingx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2973vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:2145vendor-advisoryx_refsource_REDHAT
https://nvd.nist.gov/vuln/detail/CVE-2023-43786

IV. Related Vulnerabilities

Same weakness: CWE-400

V. Comments for CVE-2023-43786

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I. Basic Information for CVE-2023-43786

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2023-43786

III. Intelligence Information for CVE-2023-43786

IV. Related Vulnerabilities

V. Comments for CVE-2023-43786

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