ALT-PU-2021-1116-1

BDU:2021-04648

HIGH7.5

Уязвимость функционала show-status обработчика CGI прокси HTTP Privoxy, связанная с неправильным освобождением памяти перед удалением последний ссылки, позволяющая нарушителю вызвать отказ в обслуживании

Опубликовано: 2021-09-20Изменено: 2023-11-21

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.0СРЕДНЯЯ 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

Ссылки

CVE-2021-20209

CVE-2020-35502

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks when a response is buffered and the buffer limit is reached or Privoxy is running out of memory can lead to a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20209

HIGH7.5

A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.

Опубликовано: 2021-05-25Изменено: 2024-11-21

CVSS 2.0СРЕДНЯЯ 5.0

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20210

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leak in the show-status CGI handler when no filter files are configured can lead to a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20211

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20212

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20213

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0СРЕДНЯЯ 4.3

CVSS:2.0/AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20214

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

CVE-2021-20215

HIGH7.5

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the show-status CGI handler when memory allocations fail can lead to a system crash.

Опубликовано: 2021-03-25Изменено: 2024-11-21

CVSS 2.0ВЫСОКАЯ 7.8

CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 3.xВЫСОКАЯ 7.5

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Ссылки

Обновление пакета privoxy в ветке sisyphus

Закрытые проблемы (9)

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks when a response is buffered and the buffer limit is reached or Privoxy is running out of memory can lead to a system crash.

A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.

A flaw was found in Privoxy in versions before 3.0.29. Memory leak in the show-status CGI handler when no filter files are configured can lead to a system crash.

A flaw was found in Privoxy in versions before 3.0.29. Memory leak when client tags are active can cause a system crash.

A flaw was found in Privoxy in versions before 3.0.29. Memory leak if multiple filters are executed and the last one is skipped due to a pcre error leading to a system crash.

A flaw was found in Privoxy in versions before 3.0.29. Dereference of a NULL-pointer that could result in a crash if accept-intercepted-requests was enabled, Privoxy failed to get the request destination from the Host header and a memory allocation failed.

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the client-tags CGI handler when client tags are configured and memory allocations fail can lead to a system crash.

A flaw was found in Privoxy in versions before 3.0.29. Memory leaks in the show-status CGI handler when memory allocations fail can lead to a system crash.