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CVE-2023-4156— Heap out of bound read in builtin.c

Quick assessment

Affected
n/a gawk
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.

gawk是GUN项目的一个编程语言。 gawk 5.0.0版本至5.1.0版本存在安全漏洞，该漏洞源于存在越界读取错误，许本地用户访问潜在的敏感信息。

CVSS 4.4 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1213 · Data from Information Repositories
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I. Basic Information for CVE-2023-4156

Vulnerability Information
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Vulnerability Title
Heap out of bound read in builtin.c
Source: CVE Program / CVE List V5
Vulnerability Description
A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
gawk 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gawk是GUN项目的一个编程语言。 gawk 5.0.0版本至5.1.0版本存在安全漏洞，该漏洞源于存在越界读取错误，许本地用户访问潜在的敏感信息。
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
- gawk 5.1.1 -
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
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Fedora Fedora - -

II. Public POCs for CVE-2023-4156

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III. Intelligence Information for CVE-2023-4156

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Vendor Advisories for CVE-2023-4156 (2)

Same Patch Batch · n/a · 2023-09-25 · 20 CVEs total

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CVE-2023-43141 TOTOLINK A3700R 安全漏洞
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CVE-2023-43256 Gladys Assistant 路径遍历漏洞
CVE-2023-43131 Maxi Güvenlik General Device Manager 安全漏洞
CVE-2023-43456 Service Provider Management System 跨站脚本漏洞
CVE-2023-41419 Gevent 安全漏洞

IV. Related Vulnerabilities

Same product: gawk
Same vendor: n/a
Same weakness: CWE-125

V. Comments for CVE-2023-4156

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