USN-2973-1

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USN-2973-1

Summary: thunderbird vulnerabilities

Details: Christian Holler, Tyson Smith, and Phil Ringalda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-2805, CVE-2016-2807) Hanno Böck discovered that calculations with mp_div and mp_exptmod in NSS produce incorrect results in some circumstances, resulting in cryptographic weaknesses. (CVE-2016-1938) A use-after-free was discovered in ssl3_HandleECDHServerKeyExchange in NSS. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-1978) A use-after-free was discovered in PK11_ImportDERPrivateKeyInfoAndReturnKey in NSS. A remote attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-1979)

References: https://ubuntu.com/security/notices/USN-2973-1, https://ubuntu.com/security/CVE-2016-1938, https://ubuntu.com/security/CVE-2016-1978, https://ubuntu.com/security/CVE-2016-1979, https://ubuntu.com/security/CVE-2016-2805, https://ubuntu.com/security/CVE-2016-2807