Known exploited vulnerability
CVE-2015-5122
The short answer
CVE-2015-5122 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-04-13: attackers are using it, so patch it first.
What it is
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.
Weakness: CWE-416.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Apr 13, 2022
Federal due date May 4, 2022
EPSS, next 30 days
87%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
The impacted product is end-of-life and should be disconnected if still in use.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784 Broken LinkThird Party Advisory
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952467 Third Party Advisory
- helpx.adobe.com/security/products/flash-player/apsa15-04.html Broken LinkVendor Advisory
- helpx.adobe.com/security/products/flash-player/apsb15-18.html Broken LinkVendor Advisory
- perception-point.io/2018/04/11/breaking-cfi-cve-2015-5122-coop/ Broken LinkThird Party Advisory
- perception-point.io/new/breaking-cfi.php Broken LinkThird Party Advisory
- security.gentoo.org/glsa/201508-01 Third Party Advisory
- www.exploit-db.com/exploits/37599/ ExploitThird Party AdvisoryVDB Entry
- www.fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-_seco.html Broken LinkThird Party Advisory
- h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784 Broken LinkThird Party Advisory
- h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952467 Third Party Advisory
- helpx.adobe.com/security/products/flash-player/apsa15-04.html Broken LinkVendor Advisory
Questions
Is CVE-2015-5122 being exploited?
Yes. CISA added CVE-2015-5122 to its Known Exploited Vulnerabilities catalog on 2022-04-13, with a federal remediation due date of 2022-05-04.
How do I fix CVE-2015-5122?
CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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