Integer overflow in Mindrot Jbcrypt
CVE-2015-0886
Integer overflow in the crypt_raw method in the key-stretching implementation in jBCrypt before 0.4 makes it easier for remote attackers to determine cleartext values of password hashes via a brute-force attack against hashes associated with the maximum exponent.
Vulnerability class: Integer Overflow
EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.
Affected products
- Mindrot Jbcrypt
- Fedoraproject Fedora — versions 20, 21, 22
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- vultures@jpcert.or.jp (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_JVN, Vendor Advisory, third-party-advisory)
- vultures@jpcert.or.jp (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- vultures@jpcert.or.jp (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- vultures@jpcert.or.jp (x_refsource_JVNDB, VDB Entry, Third Party Advisory, Vendor Advisory, third-party-advisory)
- vultures@jpcert.or.jp (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- vultures@jpcert.or.jp (mailing-list, x_refsource_MLIST)
- vultures@jpcert.or.jp (mailing-list, x_refsource_MLIST)
- vultures@jpcert.or.jp (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2015-0886?
- CVE-2015-0886 is a vulnerability in Mindrot Jbcrypt, classified under Integer Overflow or Wraparound. Published 2015-02-28.
- Is CVE-2015-0886 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.