CVE-2015-0837
MEDIUM
5.9
CVSS Score
Published: November 29, 2019 at 09:10 PM UTC
Updated: June 17, 2026 at 12:21 AM UTC
5 products affected across 3 vendorsDebian LinuxGnuPGLibgcrypt
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Severity
MEDIUM5.9
Exploit prediction
EPSS 2%
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."
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 1.4.19
Affected range stops below 1.4.19, so it looks safe — our inference, not a vendor statement
v < 1.6.3
Affected range stops below 1.6.3, so it looks safe — our inference, not a vendor statement
v < 1.4.19
Affected range stops below 1.4.19, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_MISCThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2015/dsa-3184x_refsource_MISCThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2015/dsa-3185x_refsource_MISCThird Party Advisory
Source: [email protected]
https://ieeexplore.ieee.org/document/7163050x_refsource_CONFIRMMailing ListVendor Advisory
Source: [email protected]
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.htmlx_refsource_CONFIRMMailing ListVendor Advisory
Source: [email protected]
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-203
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