CVE-2018-0495

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Source
https://cve.org/CVERecord?id=CVE-2018-0495
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-0495.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-0495
Downstream
Related
Published
2018-06-13T23:29:00.333Z
Modified
2026-03-19T12:32:24.362325Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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 gcryeccecdsasign 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.

References

Affected packages

Git / git.gnupg.org/libgcrypt.git

Affected ranges

Type
GIT
Repo
git://git.gnupg.org/libgcrypt.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
ff8f7e53ce6b8a5681667595c6287323652ae157
Introduced
850aca744eeda5fd410f478a0778e353045ac962
Fixed
5600d2d6b23640b0114655214f18959ee81fe58e
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.7.10"
        },
        {
            "introduced": "1.8.0"
        },
        {
            "fixed": "1.8.3"
        }
    ]
}

Affected versions

libgcrypt-1.*
libgcrypt-1.8.0
libgcrypt-1.8.1
libgcrypt-1.8.2

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "17.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.10"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "3.3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "11.1.1.9.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-0495.json"