USN-3391-1: Firefox vulnerabilities

Ubuntu Security Notice USN-3391-1

15th August, 2017

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Firefox could be made to crash or run programs as your login if it
opened a malicious website.

Software description

  • firefox
    – Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to conduct cross-site scripting (XSS) attacks,
bypass sandbox restrictions, obtain sensitive information, spoof the
origin of modal alerts, bypass same origin restrictions, read
uninitialized memory, cause a denial of service via program crash or hang,
or execute arbitrary code. (CVE-2017-7753, CVE-2017-7779, CVE-2017-7780,
CVE-2017-7781, CVE-2017-7783, CVE-2017-7784, CVE-2017-7785, CVE-2017-7786,
CVE-2017-7787, CVE-2017-7788, CVE-2017-7789, CVE-2017-7791, CVE-2017-7792,
CVE-2017-7794, CVE-2017-7797, CVE-2017-7798, CVE-2017-7799, CVE-2017-7800,
CVE-2017-7801, CVE-2017-7802, CVE-2017-7803, CVE-2017-7806, CVE-2017-7807,
CVE-2017-7808, CVE-2017-7809)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 17.04:
firefox

55.0.1+build2-0ubuntu0.17.04.2
Ubuntu 16.04 LTS:
firefox

55.0.1+build2-0ubuntu0.16.04.2
Ubuntu 14.04 LTS:
firefox

55.0.1+build2-0ubuntu0.14.04.2

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Firefox to make
all the necessary changes.

References

CVE-2017-7753,

CVE-2017-7779,

CVE-2017-7780,

CVE-2017-7781,

CVE-2017-7783,

CVE-2017-7784,

CVE-2017-7785,

CVE-2017-7786,

CVE-2017-7787,

CVE-2017-7788,

CVE-2017-7789,

CVE-2017-7791,

CVE-2017-7792,

CVE-2017-7794,

CVE-2017-7797,

CVE-2017-7798,

CVE-2017-7799,

CVE-2017-7800,

CVE-2017-7801,

CVE-2017-7802,

CVE-2017-7803,

CVE-2017-7806,

CVE-2017-7807,

CVE-2017-7808,

CVE-2017-7809


Source From: ubuntu.com.
Original article title: USN-3391-1: Firefox vulnerabilities.
This full article can be read at: USN-3391-1: Firefox vulnerabilities.

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