Out-of-bounds write in netatalk (Alpine package)

1) Out-of-bounds write

EUVDB-ID: #VU16646

Risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2018-1160

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error in dsi_opensess.c. A remote attacker can trigger an out-of-bounds write and crash the affected application or execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WebSVN: 1.01

netatalk (Alpine package): 1.0.0.rc16-8

netatalk (Alpine package): 2.0.6

netatalk (Alpine package): before 3.1.12-r0

MySQL Server: before

CPE2.3

• cpe:2.3:a:websvn_tigris_org:websvn:1.01:*:*:*:*:*:*:*
• cpe:2.3:o:alpine:netatalk_alpine_package:1.0.0.rc16-8:*:*:*:*:alpine_linux:*:*
• cpe:2.3:o:alpine:netatalk_alpine_package:2.0.6:*:*:*:*:alpine_linux:*:*
• cpe:2.3:o:alpine:netatalk_alpine_package:*:*:*:*:*:alpine_linux:*:3.7
• cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:alpine_linux:*:3.2

External links

https://git.alpinelinux.org/aports/commit/?id=858de3b2c3cd1da40393ff12bf76a22a2f249264
https://git.alpinelinux.org/aports/commit/?id=f6b482c960d38009a0ea14f0c3c494978fcc4892
https://git.alpinelinux.org/aports/commit/?id=5651f47dda09b02d42229672705d52fbae57f6b1

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.