Информационная безопасность
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Многочисленные уязвимости безопасности в libssh
Опубликовано:2 декабря 2012 г.
Источник:
SecurityVulns ID:12734
Тип:библиотека
Уровень опасности:
8/10
Описание:Многочисленные повреждения памяти.
CVE:CVE-2012-4562 (Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.)
 CVE-2012-4561 (The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers cause a denial of service (crash) via unspecified vectors.)
 CVE-2012-4560 (Multiple buffer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.)
 CVE-2012-4559 (Multiple double free vulnerabilities in the (1) agent_sign_data function in agent.c, (2) channel_request function in channels.c, (3) ssh_userauth_pubkey function in auth.c, (4) sftp_parse_attr_3 function in sftp.c, and (5) try_publickey_from_file function in keyfiles.c in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.)
Оригинальный текстdocumentMANDRIVA, [ MDVSA-2012:175 ] libssh (02.12.2012)

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