ALT-PU-2018-2144-1

BDU:2021-01390

HIGH7.8

Уязвимость функции utils.c:checkmailpath командной оболочки UNIX Zsh, связанная с выходом операции за допустимые границы буфера данных, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании

Published: 2021-03-21Modified: 2023-11-21

CVSS 3.xHIGH 7.8

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

CVSS 2.0MEDIUM 6.8

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

References

CVE-2018-1100

BDU:2021-01392

MEDIUM5.5

Уязвимость функции exec.c:hashcmd() командной оболочки UNIX Zsh, связанная с выходом операции за допустимые границы буфера данных, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2021-03-21Modified: 2023-11-21

CVSS 3.xMEDIUM 5.5

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

CVSS 2.0LOW 1.7

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

References

CVE-2018-1071

CVE-2018-1071

MEDIUM5.5

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

Published: 2018-03-09Modified: 2024-11-21

CVSS 2.0LOW 2.1

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

CVSS 3.xMEDIUM 5.5

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

References

CVE-2018-1100

HIGH7.8

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

Published: 2018-04-11Modified: 2024-11-21

CVSS 2.0HIGH 7.2

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

CVSS 3.xHIGH 7.8

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

References

CVE-2018-7548

CRITICAL9.8

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

Published: 2018-02-27Modified: 2024-11-21

CVSS 2.0HIGH 7.5

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

CVSS 3.xCRITICAL 9.8

CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CVE-2018-7549

HIGH7.5

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Published: 2018-02-27Modified: 2024-11-21

CVSS 2.0MEDIUM 5.0

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

CVSS 3.xHIGH 7.5

CVSS:3.x/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Package update zsh in branch sisyphus

Closed issues (6)

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service.

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result.

In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p.

Closed bugs (1)

У zsh в сборочных зависимомтях есть git-core