Vulnerability in N/a Libgcrypt Before 1.7.10 And 1.8.x Before 1.8.3
CVSS score
4.7
EPSS probability
%0.9
Risk score
0.0
Published
8 y ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2018-0495 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
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.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2018-0495 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | n/a | Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 | View |
| 2 | gnupg | libgcrypt | View |
| 3 | gnupg | libgcrypt | View |
| 4 | canonical | ubuntu linux | View |
| 5 | canonical | ubuntu linux | View |
| 6 | canonical | ubuntu linux | View |
| 7 | canonical | ubuntu linux | View |
| 8 | canonical | ubuntu linux | View |
| 9 | canonical | ubuntu linux | View |
| 10 | debian | debian linux | View |
| 11 | debian | debian linux | View |
| 12 | redhat | ansible tower | View |
| 13 | redhat | enterprise linux desktop | View |
| 14 | redhat | enterprise linux server | View |
| 15 | redhat | enterprise linux workstation | View |
| 16 | oracle | traffic director | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 4.7 | CVSS V30 | MEDIUM | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD |
| 1.9 | CVSS V2 | — | AV:L/AC:M/Au:N/C:P/I:N/A:N | NVD |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-0495 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-0495 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
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Get this vulnerability through the API
Affected products, version ranges, exploitation status and patch information in a single request, with a free key.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2018-0495"