#VU43762 Buffer overflow in icedtea-web - CVE-2012-3423
Vulnerability identifier: #VU43762
Vulnerability risk: Medium
CVSSv4.0: 2.7 [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/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
icedtea-web
Vendor: redhat
Description
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
icedtea-web: 1.0 - 1.1
External links
https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=518
https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=863
https://icedtea.classpath.org/hg/release/icedtea-web-1.2/file/icedtea-web-1.2.1/NEWS
https://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d65bd94e0ba9
https://icedtea.classpath.org/hg/release/icedtea-web-1.2/rev/d7375e2a9076
https://lists.opensuse.org/opensuse-security-announce/2012-08/msg00003.html
https://lists.opensuse.org/opensuse-security-announce/2012-08/msg00004.html
https://lists.opensuse.org/opensuse-security-announce/2012-08/msg00005.html
https://lists.opensuse.org/opensuse-security-announce/2013-05/msg00020.html
https://lists.opensuse.org/opensuse-security-announce/2013-07/msg00013.html
https://lists.opensuse.org/opensuse-updates/2013-05/msg00032.html
https://lists.opensuse.org/opensuse-updates/2013-06/msg00030.html
https://lists.opensuse.org/opensuse-updates/2013-06/msg00101.html
https://rhn.redhat.com/errata/RHSA-2012-1132.html
https://secunia.com/advisories/50089
https://security.gentoo.org/glsa/glsa-201406-32.xml
https://www.ubuntu.com/usn/USN-1521-1
https://bugzilla.redhat.com/show_bug.cgi?id=841345
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
