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CVE-2020-27840

Опубликовано: 12 мая 2021
Источник: debian
EPSS Средний

Описание

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
ldbfixed2:2.2.0-3.1package
sambafixed2:4.13.13+dfsg-1package

Примечания

  • https://www.samba.org/samba/security/CVE-2020-27840.html

  • https://bugzilla.samba.org/show_bug.cgi?id=14595

  • https://git.samba.org/?p=samba.git;a=commitdiff;h=1996b79f376b459bb964a6344ca5f264e7d6e2ec

  • https://git.samba.org/?p=samba.git;a=commitdiff;h=dbb3e65f7e382adf5fa6a6afb3d8684aca3f201a

  • https://git.samba.org/?p=samba.git;a=commitdiff;h=9532c44baea130db74f866e1472cb871936cd3dd

  • Samba uses the System ldb library

EPSS

Процентиль: 95%
0.17985
Средний

Связанные уязвимости

CVSS3: 7.5
ubuntu
больше 4 лет назад

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
redhat
почти 5 лет назад

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
nvd
больше 4 лет назад

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

CVSS3: 7.5
msrc
больше 1 года назад

Описание отсутствует

github
больше 3 лет назад

A flaw was found in samba. Spaces used in a string around a domain name (DN), while supposed to be ignored, can cause invalid DN strings with spaces to instead write a zero-byte into out-of-bounds memory, resulting in a crash. The highest threat from this vulnerability is to system availability.

EPSS

Процентиль: 95%
0.17985
Средний