USN-2723-1

A use-after-free was discovered when resizing a canvas element during restyling in some circumstances. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2015-4497)

Bas Venis discovered that the addon install permission prompt could be bypassed using data: URLs in some circumstances. It was also discovered that the installation notification could be made to appear over another site. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to install a malicious addon. (CVE-2015-4498)

References

Affected packages

Ubuntu:14.04:LTS / firefox

Package

Name: firefox
Purl: pkg:deb/ubuntu/firefox@40.0.3+build1-0ubuntu0.14.04.1?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

40.0.3+build1-0ubuntu0.14.04.1

Affected versions

24.*

24.0+build1-0ubuntu1

25.*

25.0+build3-0ubuntu0.13.10.1

28.*

28.0~b2+build1-0ubuntu2

28.0+build1-0ubuntu1

28.0+build2-0ubuntu1

28.0+build2-0ubuntu2

29.*

29.0+build1-0ubuntu0.14.04.2

30.*

30.0+build1-0ubuntu0.14.04.3

31.*

31.0+build1-0ubuntu0.14.04.1

32.*

32.0+build1-0ubuntu0.14.04.1

32.0.3+build1-0ubuntu0.14.04.1

33.*

33.0+build2-0ubuntu0.14.04.1

34.*

34.0+build2-0ubuntu0.14.04.1

35.*

35.0+build3-0ubuntu0.14.04.2

35.0.1+build1-0ubuntu0.14.04.1

36.*

36.0+build2-0ubuntu0.14.04.4

36.0.1+build2-0ubuntu0.14.04.1

36.0.4+build1-0ubuntu0.14.04.1

37.*

37.0+build2-0ubuntu0.14.04.1

37.0.1+build1-0ubuntu0.14.04.1

37.0.2+build1-0ubuntu0.14.04.1

38.*

38.0+build3-0ubuntu0.14.04.1

39.*

39.0+build5-0ubuntu0.14.04.1

39.0.3+build2-0ubuntu0.14.04.1

40.*

40.0+build4-0ubuntu0.14.04.1

40.0+build4-0ubuntu0.14.04.4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "40.0.3+build1-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "40.0.3+build1-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "40.0.3+build1-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "40.0.3+build1-0ubuntu0.14.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2723-1.json"

cves_map

{
    "ecosystem": "Ubuntu:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2015-4497"
        },
        {
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2015-4498"
        }
    ]
}