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Servers and applications

CVE-2007-3108

The BN_from_montgomery function in crypto/bn/bn_mont.c in OpenSSL 0.9.8e and earlier does not properly perform Montgomery multiplication, which might allow local users to conduct a side-channel attack and retrieve RSA private keys.

Severity
Low 1.2
Published
8 Aug 2007
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
0.4% in the next 30 daysHigher than 35% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Needs local access · Only under certain conditions · No login needed
Attacker can
Read some data
CVSS vector
AV:L/AC:H/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
OpenSSLServers and applications · cpe:a:openssl:openssl
  • Every version up to 0.9.8e

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-3108
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-3108