Buffer overflow in jq (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU33028

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-4074

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The jv_dump_term function in jq 1.5 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted JSON file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

jq (Alpine package): 1.5-r1 - 1.6_rc1-r0

openjdk8 (Alpine package): 7.121.-r0 - 8.191.12-r0

External links

http://git.alpinelinux.org/aports/commit/?id=cf67851f93c049ccf42e0811509aa517fec6ac59
http://git.alpinelinux.org/aports/commit/?id=5f5f852407d176edf3596f5dcde0cd7aa21d446c
http://git.alpinelinux.org/aports/commit/?id=1bfcfb905d961ba964207398fa61c21690f058f1
http://git.alpinelinux.org/aports/commit/?id=e10ec9bc1b1ba649892df0d8f7c116a1172e51a3
http://git.alpinelinux.org/aports/commit/?id=08fa87dac229e919eba54885a02dca0ae57c5f41
http://git.alpinelinux.org/aports/commit/?id=37aee0002e98bcd41e35d010a63c7989589a10b5
http://git.alpinelinux.org/aports/commit/?id=929b5faa3daa8490ac9e97720d28d0435c6936b7

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.