CVE-2020-24824 : A global buffer overflow issue in the dwarf::line_table::line

A global buffer overflow issue in the dwarf::line_table::line_table function of Libelfin v0.3 allows attackers to cause a denial of service (DOS).

Published 2021-08-04 15:15:09

Updated 2021-08-10 19:58:56

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowDenial of service

Products affected by CVE-2020-24824

Libelfin Project » Libelfin » Version: 0.3
cpe:2.3:a:libelfin_project:libelfin:0.3:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.16%

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
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

https://github.com/aclements/libelfin/issues/48

Global-Buffer-Overflow in function dwarf::line_table::line_table at dwarf/line.cc:107 · Issue #48 · aclements/libelfin · GitHub
Exploit;Issue Tracking;Third Party Advisory
https://github.com/xiaoxiongwang/function_bugs/tree/master/libelfin#global-buffer-overflow-in-function-dwarfline_tableline_table-at-dwarflinecc107

function_bugs/libelfin at master · xiaoxiongwang/function_bugs · GitHub
Exploit;Third Party Advisory

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