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Ubuntu.comUB:CVE-2021-36089

HistoryJul 01, 2021 - 12:00 a.m.

CVE-2021-36089

2021-07-0100:00:00

ubuntu.com

grok

heap-based buffer overflow

buffer overflow vulnerability

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

50.9%

JSON

Grok 7.6.6 through 9.2.0 has a heap-based buffer overflow in
grk::FileFormatDecompress::apply_palette_clr (called from
grk::FileFormatDecompress::applyColour).

Bugs

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990525>

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544

github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2021-677.yaml

github.com/GrokImageCompression/grok/releases

launchpad.net/bugs/cve/CVE-2021-36089

nvd.nist.gov/vuln/detail/CVE-2021-36089

security-tracker.debian.org/tracker/CVE-2021-36089

www.cve.org/CVERecord?id=CVE-2021-36089

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

50.9%

JSON

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