Several security issues were fixed in Thunderbird.
Christian Holler, David Keeler and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1547)
22 July 2014
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Thunderbird.
Christian Holler, David Keeler and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1547)
Atte Kettunen discovered a buffer overflow when interacting with WebAudio buffers. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1549)
Atte Kettunen discovered a use-after-free in WebAudio. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1550)
Jethro Beekman discovered a use-after-free when the FireOnStateChange event is triggered in some circumstances. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the priviliges of the user invoking Thunderbird. (CVE-2014-1555)
Patrick Cozzi discovered a crash when using the Cesium JS library to generate WebGL content. If a user had enabled scripting, an attacker could potentially exploit this to execute arbitrary code with the privilges of the user invoking Thunderbird. (CVE-2014-1556)
Tyson Smith and Jesse Schwartzentruber discovered a use-after-free in CERT_DestroyCertificate. If a user had enabled scripting, an attacker could potentially exploit this to cause a denial of service via application crash or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1544)
A crash was discovered in Skia when scaling an image, if the scaling operation takes too long. If a user had enabled scripting, an attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2014-1557)
Christian Holler discovered several issues when parsing certificates with non-standard character encoding, resulting in the inability to use valid SSL certificates in some circumstances. (CVE-2014-1558, CVE-2014-1559, CVE-2014-1560)
Boris Zbarsky discovered that network redirects could cause an iframe to escape the confinements defined by its sandbox attribute in some circumstances. If a user had enabled scripting, an attacker could potentially exploit this to conduct cross-site scripting attacks. (CVE-2014-1552)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Thunderbird to make all the necessary changes.
Vulmon