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ubuntucveUbuntu.comUB:CVE-2021-23169
HistoryJun 08, 2021 - 12:00 a.m.

CVE-2021-23169

2021-06-0800:00:00
ubuntu.com
ubuntu.com
27
cve-2021-23169
openexr
heap-buffer overflow
arbitrary code execution
permissions
fuzzer
exrcheck tool
unix

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.5%

A heap-buffer overflow was found in the copyIntoFrameBuffer function of
OpenEXR in versions before 3.0.1. An attacker could use this flaw to
execute arbitrary code with the permissions of the user running the
application compiled against OpenEXR.

Bugs

Notes

Author Note
mdeslaur it looks like the fix for this issue actually went into the exrcheck tool used by the fuzzer
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchopenexr< anyUNKNOWN

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.5%