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Vulnerability · Published Jun 30, 2020 · Assigned by mitre

CVE-2020-15396

High 7.8

In plain English

A high-severity security flaw in the hylafaxplus package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.4%top 67.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20hylafaxplus7.0.2-r2ALPINE-CVE-2020-15396
Alpine:v3.21hylafaxplus7.0.2-r2ALPINE-CVE-2020-15396
Alpine:v3.22hylafaxplus7.0.2-r2ALPINE-CVE-2020-15396
Alpine:v3.23hylafaxplus7.0.2-r2ALPINE-CVE-2020-15396
Alpine:v3.24hylafaxplus7.0.2-r2ALPINE-CVE-2020-15396
Debian:12hylafax3:6.0.7-3.1DEBIAN-CVE-2020-15396
Debian:13hylafax3:6.0.7-3.1DEBIAN-CVE-2020-15396
Debian:14hylafax3:6.0.7-3.1DEBIAN-CVE-2020-15396
Ubuntu:22.04:LTShylafaxno fix listedUBUNTU-CVE-2020-15396
Ubuntu:24.04:LTShylafaxno fix listedUBUNTU-CVE-2020-15396
Ubuntu:25.10hylafaxno fix listedUBUNTU-CVE-2020-15396
Ubuntu:26.04:LTShylafaxno fix listedUBUNTU-CVE-2020-15396
Ubuntu:26.10hylafaxno fix listedUBUNTU-CVE-2020-15396

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References