GSS-NTLMSSP vulnerable to memory corruption when decoding UTF16 strings
概要
GSS-NTLMSSP vulnerable to memory corruption when decoding UTF16 strings
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
GSS-NTLMSSP is a mechglue plugin for the GSSAPI library that implements NTLM authentication. Prior to version 1.2.0, memory corruption can be triggered when decoding UTF16 strings. The variable outlen was not initialized and could cause writing a zero to an arbitrary place in memory if ntlm_str_convert() were to fail, which would leave outlen uninitialized. This can lead to a denial of service if the write hits unmapped memory or randomly corrupts a byte in the application memory space. This vulnerability can trigger an out-of-bounds write, leading to memory corruption. This vulnerability can be triggered via the main gss_accept_sec_context entry point. This issue is fixed in version 1.2.0.
出典: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- Debian DEBIAN-CVE-2023-25564 gss-ntlmssp 修正版: 1.2.0-1
参照URL
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com
- web github.com