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libgcrypt before version 1.7.8 is vulnerable to a cache side-channel attack resulting into a complete break of RSA-1024 while using the left-to-right method for computing the sliding-window expansion. The same attack is believed...
4 affected packages
gnupg, gnupg1, libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnupg | — | — | — | Not in release |
| gnupg1 | — | — | — | Not affected |
| libgcrypt11 | — | — | — | Not in release |
| libgcrypt20 | — | — | — | Not affected |
Libgcrypt before 1.8.1 does not properly consider Curve25519 side-channel attacks, which makes it easier for attackers to discover a secret key, related to cipher/ecc.c and mpi/ec.c.
2 affected packages
libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libgcrypt11 | — | — | — | — |
| libgcrypt20 | — | — | — | — |
Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial of service (heap buffer overflow crash) and possibly execute arbitrary code via huge allocation.
1 affected package
libgc
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libgc | — | — | — | — |
The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by...
4 affected packages
gnupg, gnupg2, libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnupg | — | — | — | Not in release |
| gnupg2 | — | — | — | Not affected |
| libgcrypt11 | — | — | — | Not in release |
| libgcrypt20 | — | — | — | Fixed |
Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
2 affected packages
libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libgcrypt11 | — | — | — | Not in release |
| libgcrypt20 | — | — | — | Not affected |
The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related...
3 affected packages
libgcrypt11, gnupg, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libgcrypt11 | — | — | — | — |
| gnupg | — | — | — | — |
| libgcrypt20 | — | — | — | — |
Libgcrypt before 1.5.4, as used in GnuPG and other products, does not properly perform ciphertext normalization and ciphertext randomization, which makes it easier for physically proximate attackers to conduct key-extraction...
3 affected packages
gnupg, libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnupg | — | — | — | — |
| libgcrypt11 | — | — | — | — |
| libgcrypt20 | — | — | — | — |
Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted...
3 affected packages
gnupg, libgcrypt11, libgcrypt20
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnupg | — | — | — | — |
| libgcrypt11 | — | — | — | — |
| libgcrypt20 | — | — | — | — |
GnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain private RSA keys via a cache side-channel attack involving the L3 cache, aka Flush+Reload.
2 affected packages
gnupg, libgcrypt11
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| gnupg | — | — | — | — |
| libgcrypt11 | — | — | — | — |
Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for...
1 affected package
libgc
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| libgc | — | — | — | — |