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veracodeVeracode Vulnerability DatabaseVERACODE:40132
HistoryApr 17, 2023 - 12:03 p.m.

Buffer Underflow

2023-04-1712:03:08
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
5

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

47.3%

libzstd.so is vulnerable to Buffer Underflow. The vulnerability is due to not validating the character arguments (dir1 and dir2 ) passed to mallocAndJoin2Dir function in util.c file . This can result in buffer underflow error when an empty string is passed to the dir1 argument causing application to crash.

CPENameOperatorVersion
libzstd.sole1.5.2
libzstd.sole1.5.2

References

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

47.3%