Vulnerability · Published Jun 2, 2023 · Assigned by mozilla

CVE-2023-28163

Medium 6.5

In plain English

A medium-severity path traversal in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.8%top 43.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox-esr102.9.0-r0ALPINE-CVE-2023-28163
Alpine:v3.21firefox-esr102.9.0-r0ALPINE-CVE-2023-28163
Alpine:v3.22firefox-esr102.9.0-r0ALPINE-CVE-2023-28163
Alpine:v3.23firefox-esr102.9.0-r0ALPINE-CVE-2023-28163
Ubuntu:22.04:LTSthunderbirdno fix listedUBUNTU-CVE-2023-28163

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 111
Mozilla Firefox ESR unspecified – before 102.9
Mozilla Thunderbird unspecified – before 102.9

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References