Buffer overflow in icedtea-web - CVE-2012-3423
Published: August 8, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43762
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-3423
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
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.
Affected software
icedtea-web
Ubuntu
icedtea-web (Alpine package)
icedtea-7-plugin (Ubuntu package)
icedtea-6-plugin (Ubuntu package)
Ubuntu
icedtea-web (Alpine package)
icedtea-7-plugin (Ubuntu package)
icedtea-6-plugin (Ubuntu package)
How to mitigate CVE-2012-3423
Install update from vendor's website.
icedtea-web (Alpine package) - update to 1.1.6-r0
icedtea-7-plugin (Ubuntu package) - update to 1.2-2ubuntu1.1
icedtea-6-plugin (Ubuntu package) - addressed in versions 1.2-2ubuntu0.10.04.2, 1.2-2ubuntu0.11.04.2, 1.2-2ubuntu0.11.10.2, 1.2-2ubuntu1.1
icedtea-7-plugin (Ubuntu package) - update to 1.2-2ubuntu1.1
icedtea-6-plugin (Ubuntu package) - addressed in versions 1.2-2ubuntu0.10.04.2, 1.2-2ubuntu0.11.04.2, 1.2-2ubuntu0.11.10.2, 1.2-2ubuntu1.1
External References
- http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=518
- http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=863
- http://icedtea.classpath.org/hg/release/icedtea-web-1.2/file/icedtea-web-1.2.1/NEWS
- http://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d65bd94e0ba9
- http://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d7375e2a9076
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00013.html
- http://lists.opensuse.org/opensuse-updates/2013-05/msg00032.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00030.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00101.html
- http://rhn.redhat.com/errata/RHSA-2012-1132.html
- http://secunia.com/advisories/50089
- http://security.gentoo.org/glsa/glsa-201406-32.xml
- http://www.ubuntu.com/usn/USN-1521-1
- https://bugzilla.redhat.com/show_bug.cgi?id=841345