CVE-2010-0831

Fastjar vulnerability

CVSS

5.8

EPSS

3.7%

EPSS pct

89th

Exploited

No known

Directory traversal vulnerability in the extract_jar function in jartool.c in FastJar 0.98 allows remote attackers to create or overwrite arbitrary files via a .. (dot dot) in a non-initial pathname component in a filename within a .jar archive, a related issue to CVE-2005-1080. NOTE: this vulnerability exists because of an incomplete fix for CVE-2006-3619.

Affected vendor

Matthias Klose

Affected product

Fastjar

CVSS vector

AV:N/AC:M/Au:N/C:N/I:P/A:P

Weakness type (CWE)

CWE-22 — Path Traversal

Published

2010-06-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to integrity, partial impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2010-0831

Confirm whether Matthias Klose Fastjar is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-0831.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-0831

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