CVE-2015-0837
CVSS V2 Medium 4.3
CVSS V3 Medium 5.9
Description
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."
Overview
- CVE ID
- CVE-2015-0837
- Assigner
- security@debian.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-11-29T22:15:11
- Last Modified Date
- 2019-12-14T13:59:09
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* | 1 | OR | 1.4.19 | |
| cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* | 1 | OR | 1.6.3 | |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.9
- Base Severity
- MEDIUM
- Exploitability Score
- 2.2
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://www.debian.org/security/2015/dsa-3185 | Third Party Advisory |
| https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html | Mailing List Vendor Advisory |
| https://ieeexplore.ieee.org/document/7163050 | Third Party Advisory |
| http://www.debian.org/security/2015/dsa-3184 | Third Party Advisory |
| https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html | Mailing List Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2015-0837 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0837 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:57:44 | Added to TrackCVE | |||
| 2022-12-04 07:13:38 | 2019-11-29T22:15Z | 2019-11-29T22:15:11 | CVE Published Date | updated |
| 2022-12-04 07:13:38 | 2019-12-14T13:59:09 | CVE Modified Date | updated | |
| 2022-12-04 07:13:38 | Analyzed | Vulnerability Status | updated |