Is CVE-2018-20797 in the CISA KEV catalog?

No. CVE-2018-20797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-20797?

CVE-2018-20797 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2018-20797?

CVE-2018-20797 has an EPSS score of 1.35% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-20797?

Upgrade libpodofo on ubuntu 14.04 to 0.9.0-1.2ubuntu0.1~esm3 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2018-20797

MEDIUM

6.5

CVSS v3

NVD

Description

An issue was discovered in PoDoFo 0.9.6. There is an attempted excessive memory allocation in PoDoFo::podofo_calloc in base/PdfMemoryManagement.cpp when called from PoDoFo::PdfPredictorDecoder::PdfPredictorDecoder in base/PdfFiltersPrivate.cpp.

CWE-119Buffer Overflow

How to fix

Remediation Available

libpodofoUbuntu

Fixed in:0.9.0-1.2ubuntu0.1~esm3USN-7217-1

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

libpodofo-utilsUbuntu

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

libpodofo0.9.0Ubuntu

Fixed in:0.9.0-1.2ubuntu0.1~esm3USN-7217-1

libpodofo0.9.3Ubuntu

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

libpodofo0.9.5Ubuntu

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

libpodofo0.9.6Ubuntu

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

libpodofo0.9.7Ubuntu

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.35%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Exploit1

sourceforge.net

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.