CVE-2008-5343

Jdk vulnerability

CVSS

9.0

EPSS

5.1%

EPSS pct

91th

Exploited

No known

Java Web Start (JWS) and Java Plug-in with Sun JDK and JRE 6 Update 10 and earlier; JDK and JRE 5.0 Update 16 and earlier; and SDK and JRE 1.4.2_18 and earlier allows remote attackers to make unauthorized network connections and hijack HTTP sessions via a crafted file that validates as both a GIF and a Java JAR file, aka "GIFAR" and CR 6707535.

Affected vendor

Sun

Affected product

Jdk

CVSS vector

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

Published

2008-12-05

Risk analysis

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

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2008-5343

Confirm whether Sun Jdk is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-5343.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-5343

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-5343 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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