rpm package
opensuse/libgcrypt&distro=openSUSE Tumbleweed
pkg:rpm/opensuse/libgcrypt&distro=openSUSE%20Tumbleweed
Vulnerabilities (15)
| CVE | Sev | CVSS | KEV | Affected versions | Fixed in | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2024-2236 | Med | 5.9 | < 1.11.1-2.1 | 1.11.1-2.1 | Mar 6, 2024 | A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts. | |
| CVE-2021-40528 | — | < 1.10.1-1.1 | 1.10.1-1.1 | Sep 6, 2021 | The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, a | ||
| CVE-2021-33560 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Jun 8, 2021 | Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP. | ||
| CVE-2021-3345 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Jan 29, 2021 | _gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later. | ||
| CVE-2015-0837 | — | < 1.7.3-1.3 | 1.7.3-1.3 | Nov 29, 2019 | 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 to a "Last-Level Cache Side-Channel Attack." | ||
| CVE-2014-3591 | — | < 1.7.3-1.3 | 1.7.3-1.3 | Nov 29, 2019 | 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 ciphertext and the fluctuations in the electromagnetic | ||
| CVE-2019-13627 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Sep 25, 2019 | It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7. | ||
| CVE-2019-12904 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Jun 19, 2019 | In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.) NOTE: the ven | ||
| CVE-2017-7526 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Jul 26, 2018 | 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 to work on RSA-2048 with moderately more computatio | ||
| CVE-2018-0495 | — | < 1.9.4-1.2 | 1.9.4-1.2 | Jun 13, 2018 | Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Numbe | ||
| CVE-2017-0379 | Hig | 7.5 | < 1.9.4-1.2 | 1.9.4-1.2 | Aug 29, 2017 | 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. | |
| CVE-2016-6313 | Med | 5.3 | < 1.7.3-1.3 | 1.7.3-1.3 | Dec 13, 2016 | 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 leveraging knowledge of the previous 4640 bits. | |
| CVE-2015-5738 | Hig | 7.5 | < 1.7.3-1.3 | 1.7.3-1.3 | Jul 26, 2016 | The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel att | |
| CVE-2015-7511 | Low | 2.0 | < 1.7.3-1.3 | 1.7.3-1.3 | Apr 19, 2016 | 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. | |
| CVE-2013-4242 | — | < 1.7.3-1.3 | 1.7.3-1.3 | Aug 19, 2013 | 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. |
- affected < 1.11.1-2.1fixed 1.11.1-2.1
A timing-based side-channel flaw was found in libgcrypt's RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.
- CVE-2021-40528Sep 6, 2021affected < 1.10.1-1.1fixed 1.10.1-1.1
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, a
- CVE-2021-33560Jun 8, 2021affected < 1.9.4-1.2fixed 1.9.4-1.2
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
- CVE-2021-3345Jan 29, 2021affected < 1.9.4-1.2fixed 1.9.4-1.2
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
- CVE-2015-0837Nov 29, 2019affected < 1.7.3-1.3fixed 1.7.3-1.3
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 to a "Last-Level Cache Side-Channel Attack."
- CVE-2014-3591Nov 29, 2019affected < 1.7.3-1.3fixed 1.7.3-1.3
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 ciphertext and the fluctuations in the electromagnetic
- CVE-2019-13627Sep 25, 2019affected < 1.9.4-1.2fixed 1.9.4-1.2
It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.
- CVE-2019-12904Jun 19, 2019affected < 1.9.4-1.2fixed 1.9.4-1.2
In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.) NOTE: the ven
- CVE-2017-7526Jul 26, 2018affected < 1.9.4-1.2fixed 1.9.4-1.2
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 to work on RSA-2048 with moderately more computatio
- CVE-2018-0495Jun 13, 2018affected < 1.9.4-1.2fixed 1.9.4-1.2
Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Numbe
- affected < 1.9.4-1.2fixed 1.9.4-1.2
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.
- affected < 1.7.3-1.3fixed 1.7.3-1.3
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 leveraging knowledge of the previous 4640 bits.
- affected < 1.7.3-1.3fixed 1.7.3-1.3
The RSA-CRT implementation in the Cavium Software Development Kit (SDK) 2.x, when used on OCTEON II CN6xxx Hardware on Linux to support TLS with Perfect Forward Secrecy (PFS), makes it easier for remote attackers to obtain private RSA keys by conducting a Lenstra side-channel att
- affected < 1.7.3-1.3fixed 1.7.3-1.3
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.
- CVE-2013-4242Aug 19, 2013affected < 1.7.3-1.3fixed 1.7.3-1.3
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.