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



Published: 2016-09-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6132
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: #VU32248

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-2016-6132

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 gdImageCreateFromTgaCtx function in the GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

gd (Alpine package): 2.2.1-r0

gd (Alpine package):

External links

http://git.alpinelinux.org/aports/commit/?id=4b52b89e94d238b1bb241c3c3f7a3d546b546399


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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