CVE-2022-26181 : Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overf

Dropbox Lepton v1.2.1-185-g2a08b77 was discovered to contain a heap-buffer-overflow in the function aligned_dealloc():src/lepton/bitops.cc:108.

Published 2022-02-28 19:15:13

Updated 2022-03-09 02:08:37

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2022-26181

Dropbox » Lepton » Version: 1.2.1
cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.19%

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

~ 38 %

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:3.1/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://github.com/dropbox/lepton

GitHub - dropbox/lepton: Lepton is a tool and file format for losslessly compressing JPEGs by an average of 22%.
Product
https://drive.google.com/file/d/1bJlHozO37c5NZ1wI0NBWh0yHHyTcfaQL/view?usp=sharing

https://drive.google.com/file/d/1bJlHozO37c5NZ1wI0NBWh0yHHyTcfaQL/view?usp=sharing
Exploit;Third Party Advisory
https://github.com/dropbox/lepton/issues/154

[Bug]A heap-buffer-overflow was discovered in function aligned_dealloc():src/lepton/bitops.cc:108 · Issue #154 · dropbox/lepton · GitHub
Issue Tracking;Third Party Advisory

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