A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the service at an update file on a malicious SMB server. The update file can be replaced after the signature check, before the use, because the write-lock requested by the service does not work on a SMB server. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 999 | all | firefox | < 126.0.1-1 | firefox_126.0.1-1_all.deb |
Debian | 12 | all | firefox-esr | < 115.7.0esr-1~deb12u1 | firefox-esr_115.7.0esr-1~deb12u1_all.deb |
Debian | 11 | all | firefox-esr | < 115.7.0esr-1~deb11u1 | firefox-esr_115.7.0esr-1~deb11u1_all.deb |
Debian | 10 | all | firefox-esr | < 91.12.0esr-1~deb10u1 | firefox-esr_91.12.0esr-1~deb10u1_all.deb |
Debian | 999 | all | firefox-esr | < 115.11.0esr-1 | firefox-esr_115.11.0esr-1_all.deb |
Debian | 13 | all | firefox-esr | < 115.11.0esr-1 | firefox-esr_115.11.0esr-1_all.deb |
Debian | 12 | all | thunderbird | < 1:115.7.0-1~deb12u1 | thunderbird_1:115.7.0-1~deb12u1_all.deb |
Debian | 11 | all | thunderbird | < 1:115.7.0-1~deb11u1 | thunderbird_1:115.7.0-1~deb11u1_all.deb |
Debian | 10 | all | thunderbird | < 1:91.12.0-1~deb10u1 | thunderbird_1:91.12.0-1~deb10u1_all.deb |
Debian | 999 | all | thunderbird | < 1:115.11.0-1 | thunderbird_1:115.11.0-1_all.deb |