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CVE-2023-6918— Libssh: missing checks for return values for digests

CVSS 3.7 · Low EPSS 0.36% · P58
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I. Basic Information for CVE-2023-6918

Vulnerability Information
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Vulnerability Title
Libssh: missing checks for return values for digests
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加检查的返回值
Source: NVD (National Vulnerability Database)
Vulnerability Title
libssh 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libssh是libssh组织的一个用于访问SSH服务的C语言开发包，它能够执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。 libssh存在安全漏洞，该漏洞源于返回值未得到正确检查，可能会导致内存不足、NULL指针取消引用、崩溃或使用未初始化的内存。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 8 0:0.9.6-14.el8 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 8 0:0.9.6-14.el8 ~ * cpe:/o:redhat:enterprise_linux:8::baseos
Red HatRed Hat Enterprise Linux 9 0:0.10.4-13.el9 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 9 0:0.10.4-13.el9 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7

II. Public POCs for CVE-2023-6918

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III. Intelligence Information for CVE-2023-6918

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Same Patch Batch · Red Hat · 2023-12-18 · 10 CVEs total

CVE-2023-43207.6 HIGHSatellite: arithmetic overflow in satellite
CVE-2023-53847.2 HIGHInfinispan: credentials returned from configuration as clear text
CVE-2023-50566.8 MEDIUMSkupper-operator: privelege escalation via config map
CVE-2023-36286.5 MEDIUMInfispan: rest bulk ops don't check permissions
CVE-2023-51156.3 MEDIUMAnsible: malicious role archive can cause ansible-galaxy to overwrite arbitrary files
CVE-2023-69274.6 MEDIUMKeycloak: open redirect via "form_post.jwt" jarm response mode
CVE-2023-52364.4 MEDIUMInfinispan: circular reference on marshalling leads to dos
CVE-2023-36294.3 MEDIUMInfinispan: non-admins should not be able to get cache config via rest api
CVE-2023-62283.3 LOWLibtiff: heap-based buffer overflow in cpstriptotile() in tools/tiffcp.c

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-252

V. Comments for CVE-2023-6918

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