Out-of-bounds read in gd (Alpine package)



Published: 2016-09-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6161
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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gd (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU33630

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6161

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The output function in gd_gif_out.c in the GD Graphics Library (aka libgd) allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted image.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gd (Alpine package): 2.1.1-r1

External links

http://git.alpinelinux.org/aports/commit/?id=262e2cf8cb01d5ffc1f8c10a3148df77981d5564
http://git.alpinelinux.org/aports/commit/?id=d1df1621cd8cdf645c22b9cc6256957208c6ff69
http://git.alpinelinux.org/aports/commit/?id=b977ac9875306ca4c7da72609ffc99410c1cb123


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.



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