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



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1010305
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libmspack (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU19266

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1010305

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

Exploit availability: No

Description

The vulnerability allows an attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing a specially crafted chm file in libmspack 0.9.1alpha. A remote attacker can create a specially crafted chm file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libmspack (Alpine package): 0.8_alpha-r0-r0 - 0.8_alpha-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=7b7625a81b8571398c20ac7e40ff345e3dfe118c
https://git.alpinelinux.org/aports/commit/?id=a80261c4dde42201d0c53b6f7297c02b2b441827
https://git.alpinelinux.org/aports/commit/?id=f370aec8dce498f800720394c0be31954ac54505
https://git.alpinelinux.org/aports/commit/?id=d1f9356cc16b987133023ad09713a9df00127e16
https://git.alpinelinux.org/aports/commit/?id=47362d38b04fa0174cb5db3d5ad497bb08657843


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.



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