#VU19934 Double Free in docker-credential-helpers - CVE-2019-1020014

Vulnerability identifier: #VU19934

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-1020014

CWE-ID: CWE-415

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
docker-credential-helpers
Client/Desktop applications / Virtualization software

Vendor: Docker Inc.

Description

The vulnerability allows a local attacker to access sensitive information on a targeted system.

The vulnerability exists due to a double free condition in the list functions. A local authenticated attacker can trigger double free error and gain access to sensitive information on a targeted system

Mitigation
Install updates from vendor's website.

Vulnerable software versions

docker-credential-helpers: 0.1.0 - 0.6.2

---

External links
https://github.com/docker/docker-credential-helpers/commit/1c9f7ede70a5ab9851f4c9cb37d317fd89cd318a
https://github.com/docker/docker-credential-helpers/releases/tag/v0.6.3

---

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.