NULL pointer dereference in libpng
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2016-10087 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libpng Universal components / Libraries / Libraries used by multiple products |
| Vendor | libpng |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU39764
Risk: Medium
CVSSv3.1: 6.9 [AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID: CVE-2016-10087
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure. A remote attacker can perform a denial of service (DoS) attack.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionslibpng: 0.8 - 1.6.26
External linkshttp://www.openwall.com/lists/oss-security/2016/12/29/2
http://www.openwall.com/lists/oss-security/2016/12/30/4
http://www.securityfocus.com/bid/95157
http://security.gentoo.org/glsa/201701-74
http://usn.ubuntu.com/3712-1/
http://usn.ubuntu.com/3712-2/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
