CVE-2019-14528 : GnuCOBOL 2.2 has a heap-based buffer overflow in read

GnuCOBOL 2.2 has a heap-based buffer overflow in read_literal in cobc/scanner.l via crafted COBOL source code.

Published 2019-08-02 14:15:14

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2019-14528

Gnucobol Project » Gnucobol » Version: 2.2
cpe:2.3:a:gnucobol_project:gnucobol:2.2:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 35 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://sourceforge.net/p/open-cobol/bugs/583/

GnuCOBOL (formerly OpenCOBOL) / Bugs / #583 Heap-based buffer overflow in the read_literal() function
Exploit;Issue Tracking;Third Party Advisory

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