Remote code execution in mbedtls (Alpine package)



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-0488
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 mbedtls (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Remote code execution

EUVDB-ID: #VU10943

Risk: High

CVSSv4.0: 8.1 [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:U/U:Amber]

CVE-ID: CVE-2018-0488

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The weakness exists due to improper processing of crafted packets when using the truncated HMAC extension and CBC. A remote attacker can send a specially crafted input and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation

Install update from vendor's website.

Vulnerable software versions

mbedtls (Alpine package): 2.6.1-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=12f88f964ce5637e0f8cbe1b8eb8119a52d2eac7
https://git.alpinelinux.org/aports/commit/?id=44a52d56ef47740226463f2fba905f0ccfee8b03


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.



###SIDEBAR###