Описание
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| gnupg2 | fixed | 2.2.46-5 | package | |
| gnupg2 | no-dsa | bookworm | package | |
| gnupg2 | postponed | bullseye | package |
Примечания
https://lists.gnupg.org/pipermail/gnupg-announce/2025q1/000491.html
https://dev.gnupg.org/T7527
https://gitlab.com/freepg/gnupg/-/merge_requests/18
Fixed by: https://dev.gnupg.org/rG48978ccb4e20866472ef18436a32744350a65158
Follow-up (#1099141): https://dev.gnupg.org/T7547
Follow-up: https://dev.gnupg.org/rGd3d7713c1799754160260cb350309dd183b397f5
Double-free of internal data:
https://gitlab.com/freepg/gnupg/-/merge_requests/22
Follow-up: https://dev.gnupg.org/rG0666a8858fafefb6664c976eb94b73550a7e3da4
EPSS
Связанные уязвимости
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."
EPSS