CVE-2017-13861: Buffer Overflow

Reference Links

• https://support.apple.com/en-us/HT208325 (Advisory)
• https://support.apple.com/en-us/HT208327 (Advisory)
• https://support.apple.com/en-us/HT208334 (Advisory)
• http://packetstormsecurity.com/files/153148/Safari-Webkit-Proxy-Object-Type-Confusion.html
• http://www.securityfocus.com/bid/102134
• http://www.securitytracker.com/id/1039952
• http://www.securitytracker.com/id/1039953
• https://support.apple.com/HT208325
• https://support.apple.com/HT208327
• https://support.apple.com/HT208334
• https://www.exploit-db.com/exploits/43320/

Parent vulnerabilities

(Appears in the following advisories)

• HT208325
• HT208327
• HT208334

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2017-13905
• CVE-2017-7172
• CVE-2017-7171
• CVE-2017-7151
• CVE-2017-7162
• CVE-2017-13861
• CVE-2017-13904
• CVE-2017-7154
• CVE-2017-13862
• CVE-2017-13867
• CVE-2017-13876
• CVE-2017-7173
• CVE-2017-13855
• CVE-2017-13865
• CVE-2017-13868
• CVE-2017-13869
• CVE-2017-13880
• CVE-2017-7165
• CVE-2017-13884
• CVE-2017-7153
• CVE-2017-13080
• CVE-2017-5754
• CVE-2017-7164
• CVE-2017-13885
• CVE-2017-7156
• CVE-2017-7157
• CVE-2017-13856
• CVE-2017-13870
• CVE-2017-7160
• CVE-2017-13866
• CVE-2017-2411
• CVE-2017-13847
• CVE-2017-13879
• CVE-2017-13874
• CVE-2017-13860
• CVE-2017-7152
• CVE-2017-13888
• CVE-2017-13891

Frequently Asked Questions

• What is CVE-2017-13861?

  CVE-2017-13861 is a memory corruption issue in the IOSurface component of certain Apple products.

• Which Apple products are affected by CVE-2017-13861?

  iOS before 11.2, tvOS before 11.2, and watchOS before 4.2 are affected by CVE-2017-13861.

• What is the severity of CVE-2017-13861?

  CVE-2017-13861 has a severity rating of 7.8 (critical).

• How can an attacker exploit CVE-2017-13861?

  An attacker can exploit CVE-2017-13861 to execute arbitrary code in a privileged context or cause a denial of service by exploiting the memory corruption issue in the IOSurface component.

• Are there any patches available for CVE-2017-13861?

  Yes, updating to iOS 11.2, tvOS 11.2, or watchOS 4.2 will address the memory corruption issue and fix CVE-2017-13861.