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freebsdFreeBSD4EA1082A-1259-11EC-B4FA-DD5A552BDD17
HistoryAug 18, 2021 - 12:00 a.m.

go -- archive/zip: overflow in preallocation check can cause OOM panic

2021-08-1800:00:00
vuxml.freebsd.org
12

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

44.4%

The Go project reports:

An oversight in the previous fix still allows for an OOM
panic when the indicated directory size in the archive
header is so large that subtracting it from the archive
size overflows a uint64, effectively bypassing the check
that the number of files in the archive is reasonable.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchgo< 1.17.1,1UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

44.4%