Adobe Flash Player memory corruption RCE/DoS (CVE-2015-3043)
CVE-2015-3043 is a memory corruption vulnerability in Adobe Flash Player affecting versions before 13.0.0.281, 14.x through 17.x before 17.0.0.169 on Windows and OS X, and before 11.2.202.457 on Linux. Adobe’s description states that the flaw can be triggered via unspecified vectors and may allow an attacker to execute arbitrary code or cause a denial of service. The issue was exploited in the wild in April 2015. The provided context further indicates it was used by the Sednit/APT28/Fancy Bear group, including via the Sedkit exploit kit in targeted operations. Specific vulnerable functions or code paths are not provided in the supplied content.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A specific vulnerability cited as one of multiple zero-days leveraged by APT28; the statement does not provide technical details beyond its use as a zero-day.
A 2015 Adobe Flash vulnerability listed as one of the zero-days exploited by the Sednit group.
An Adobe Flash vulnerability exploited by Sedkit; it was a 0-day when used by Sednit.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.