Vulnerability Details : CVE-2015-0837
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."
Products affected by CVE-2015-0837
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
- cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-0837
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-0837
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2015-0837
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-0837
-
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
[Announce] Libgcrypt 1.6.3 released (with SCA fix)Mailing List;Vendor Advisory
-
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
[Announce] GnuPG 1.4.19 released (with SCA fix)Mailing List;Vendor Advisory
-
http://www.debian.org/security/2015/dsa-3185
Debian -- Security Information -- DSA-3185-1 libgcrypt11Third Party Advisory
-
https://ieeexplore.ieee.org/document/7163050
Last-Level Cache Side-Channel Attacks are Practical | IEEE Conference Publication | IEEE XploreThird Party Advisory
-
http://www.debian.org/security/2015/dsa-3184
Debian -- Security Information -- DSA-3184-1 gnupgThird Party Advisory
Jump to