Heap-based buffer overflow in jasper (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU33343

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-2090

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

Off-by-one vulnerability in the fgetwln() function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

jasper (Alpine package): 1.900.1-r9 - 1.900.1-r13

CPE2.3

• cpe:2.3:o:alpine:jasper_alpine_package:1.900.1-r11:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:jasper_alpine_package:1.900.1-r12:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:jasper_alpine_package:1.900.1-r9:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=e388cdee5561396de3b4292875d0019a54970dd0
http://git.alpinelinux.org/aports/commit/?id=95ec06e8ff528eb0f8225fe2db60c11035f1a1f5
http://git.alpinelinux.org/aports/commit/?id=7a08dd0335631987f7d96c246bc226dc514ab5ab
http://git.alpinelinux.org/aports/commit/?id=5a6e2e3bcdc5dabbe395f3177a90544dd2ee04a3
http://git.alpinelinux.org/aports/commit/?id=211bdc380f7e385dfa3485364806dbfa38336f53

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.