A use-after-free vulnerability in SVG Animation has been discovered. An exploit built on this vulnerability has been discovered in the wild targeting Firefox and Tor Browser users on Windows. This vulnerability affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.
Published 2018-06-11 21:29:02
Updated 2018-08-09 15:12:11
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

CVE-2016-9079 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
Mozilla Firefox, Firefox ESR, and Thunderbird contain a use-after-free vulnerability in SVG Animation, targeting Firefox and Tor browser users on Windows.
Notes:
https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/#CVE-2016-9079
Added on 2023-06-22 Action due date 2023-07-13

Exploit prediction scoring system (EPSS) score for CVE-2016-9079

95.87%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2016-9079

  • Firefox nsSMILTimeContainer::NotifyTimeChange() RCE
    Disclosure Date: 2016-11-30
    First seen: 2020-04-26
    exploit/windows/browser/firefox_smil_uaf
    This module exploits an out-of-bounds indexing/use-after-free condition present in nsSMILTimeContainer::NotifyTimeChange() across numerous versions of Mozilla Firefox on Microsoft Windows. Authors: - Anonymous Gaijin - William Webb <william_webb@rapid7.c

CVSS scores for CVE-2016-9079

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
7.5
HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2016-9079

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-9079

Products affected by CVE-2016-9079

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