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

1) Out-of-bounds read

EUVDB-ID: #VU33999

Risk: Medium

CVSSv3.1: 4.8 [AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-9101

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

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in The fill_buffer_resample function in util.c in libmp3lame.a in LAME 3.99.5. A remote attacker can perform a denial of service (heap-based buffer over-read and application crash) via a crafted audio file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

busybox (Alpine package): 1.31.1-r16 - 1.31.1-r21

busybox (Alpine package):

CPE2.3

• cpe:2.3:o:alpine:busybox_alpine_package:1.31.1-r17:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:busybox_alpine_package:1.31.1-r18:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:busybox_alpine_package:1.31.1-r19:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:busybox_alpine_package::*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=76077dfdd8d77220a469c5743b7b7fd3484300a1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.