All errata/sisyphus/ALT-PU-2023-1439-1
ALT-PU-2023-1439-1

Package update grub in branch sisyphus

Version2.06-alt10
Task#316758
Published2023-03-15
Max severityHIGH
Severity:

Closed issues (2)

BDU:2022-03372
HIGH8.1

Уязвимость функции grub_net_recv_ip4_packets программы-загрузчика операционных систем Grub, позволяющая нарушителю выполнить произвольный код путем отправки специально сформированных IP-пакетов

Published: 2022-06-09Modified: 2025-03-19
CVSS 3.xHIGH 8.1
CVSS:3.x/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0HIGH 7.6
CVSS:2.0/AV:N/AC:H/Au:N/C:C/I:C/A:C
References
CVE-2022-28733
HIGH8.1

Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a small integer number which will be used in memory allocation. If the attack succeeds in such way, subsequent operations can write past the end of the buffer.

Published: 2023-07-20Modified: 2024-11-21
CVSS 3.xHIGH 8.1
CVSS:3.x/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References

Closed bugs (1)