CVE-2018-0495
טרם דורגה
תיאור (מקור, אנגלית)
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 Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
מדדים
- EPSS — סבירות ניצול
- 1% (אחוזון 100) נכון ל-14/10/2026
- CWE
- CWE-203
מוצרים מושפעים
gnupg: libgcrypt; canonical: ubuntu linux; debian: debian linux; redhat: ansible tower; redhat: enterprise linux desktop; redhat: enterprise linux server; redhat: enterprise linux workstation; oracle: traffic director
קישורים
- https://dev.gnupg.org/T4011 PatchVendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html Vendor Advisory
- https://dev.gnupg.org/T4011 PatchVendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html Vendor Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html PatchThird Party Advisory
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html PatchThird Party Advisory
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hi… ExploitThird Party Advisory
- https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hi… ExploitThird Party Advisory
- http://www.securitytracker.com/id/1041144 Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041147 Third Party AdvisoryVDB Entry