CVE-2012-3423

high
Published 2012-08-07 · Modified 2026-04-29
CVSS v3
CVSS v2
7.5
VIR risk
7.5

Description

The IcedTea-Web plugin before 1.2.1 does not properly handle NPVariant NPStrings without NUL terminators, which allows remote attackers to cause a denial of service (crash), obtain sensitive information from memory, or execute arbitrary code via a crafted Java applet.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-3423

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://secunia.com/advisories/50089

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d7375e2a9076

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d65bd94e0ba9

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=863

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.3-1
debian debianbullseyefixed1.3-1
debian debianforkyfixed1.3-1
debian debiansidfixed1.3-1
debian debiantrixiefixed1.3-1

Application impact

VendorProductVersionsFixed
redhat redhaticedtea-web{"endIncluding":"1.2"}
redhat redhaticedtea-web1.0
redhat redhaticedtea-web1.1

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.