NULL pointer dereference in jasper (Alpine package)

1) NULL pointer dereference

EUVDB-ID: #VU15956

Risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-1000050

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to NULL pointer exception in the function jp2_encode which failed to check to see if the image contained at least one component. A remote attacker can supply specially crafted input and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

jasper (Alpine package): 1.900.1-r12 - 2.0.16-r0

CPE2.3

• cpe:2.3:o:alpine:jasper_alpine_package:2.0.10-r1:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:jasper_alpine_package:1.900.1-r12:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:jasper_alpine_package:2.0.16-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=776c741bdc671ff8f5264a0a74a356ef1f1e97bb
http://git.alpinelinux.org/aports/commit/?id=95ec06e8ff528eb0f8225fe2db60c11035f1a1f5
http://git.alpinelinux.org/aports/commit/?id=97e3737831e997fb44f92599957c222e0757b1e6
http://git.alpinelinux.org/aports/commit/?id=e7a734905c14f48e5440a599880af469abb5ec4e
http://git.alpinelinux.org/aports/commit/?id=1b7174583b49104dca2f9f09b72e3dcb5244fb32
http://git.alpinelinux.org/aports/commit/?id=9d20dfb4b70c35a10a26afd2ddfb7f487ee2eeb9
http://git.alpinelinux.org/aports/commit/?id=a04d4f22c6082a8717e7108481c8fe48e95c534f
http://git.alpinelinux.org/aports/commit/?id=cf17d6fc9fa94f652d8a1582d77d32ed03407167

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.