Is CVE-2020-35523 in the CISA KEV catalog?

No. CVE-2020-35523 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-35523?

CVE-2020-35523 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2020-35523?

CVE-2020-35523 has an EPSS score of 1.92% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-35523?

Upgrade tiff on debian 11 to 4.1.0+git201212-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-35523

HIGHEPSS 77th pctl

7.8

CVSS v3

NVD

Description

An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CWE-190Integer Overflow

How to fix

Remediation Available

tiffDebian

Fixed in:4.1.0+git201212-1CVE-2020-35523

libtiff-toolsUbuntu

Fixed in:4.0.3-7ubuntu0.11+esm6USN-5841-1

Fixed in:4.0.6-1ubuntu0.8USN-4755-1

Fixed in:4.0.6-1ubuntu0.8+esm9USN-5841-1

Fixed in:4.0.9-5ubuntu0.4USN-4755-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.1USN-4755-1

libtiff5Ubuntu

Fixed in:4.0.3-7ubuntu0.11+esm6USN-5841-1

Fixed in:4.0.6-1ubuntu0.8+esm9USN-5841-1

Fixed in:4.0.6-1ubuntu0.8USN-4755-1

Fixed in:4.0.9-5ubuntu0.4USN-4755-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.1USN-4755-1

tiffUbuntu

Fixed in:4.0.3-7ubuntu0.11+esm6USN-5841-1

Fixed in:4.0.6-1ubuntu0.8USN-4755-1

Fixed in:4.0.6-1ubuntu0.8+esm9USN-5841-1

Fixed in:4.0.9-5ubuntu0.4USN-4755-1

Fixed in:4.1.0+git191117-2ubuntu0.20.04.1USN-4755-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.92%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch3

Third-Party Advisory4

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.