Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mindrot | Jbcrypt | < 0.4 |
| Fedoraproject | Fedora | 20 |
Related Weaknesses (CWE)
References
- http://jvn.jp/en/jp/JVN77718330/index.htmlThird Party AdvisoryVendor Advisory
- http://jvndb.jvn.jp/jvndb/JVNDB-2015-000033Third Party AdvisoryVDB EntryVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151496.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151786.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151797.htmlThird Party Advisory
- http://www.mindrot.org/projects/jBCrypt/news/rel04.htmlRelease NotesVendor Advisory
- https://bugzilla.mindrot.org/show_bug.cgi?id=2097Issue TrackingVendor Advisory
- https://lists.apache.org/thread.html/rbd23e3ac8113b4da0a025c0e45170b6ec317383a1c
- https://lists.apache.org/thread.html/rd5c2256b8dc9935e4bb5e9be90adce58408054bb42
- https://lists.apache.org/thread.html/re330cfe9e5d84e3f7da8ace23ec32f38cb3fbd328b
- http://jvn.jp/en/jp/JVN77718330/index.htmlThird Party AdvisoryVendor Advisory
- http://jvndb.jvn.jp/jvndb/JVNDB-2015-000033Third Party AdvisoryVDB EntryVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151496.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151786.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151797.htmlThird Party Advisory
FAQ
What is CVE-2015-0886?
CVE-2015-0886 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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-fo...
How severe is CVE-2015-0886?
CVE-2015-0886 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-0886?
Check the references section above for vendor advisories and patch information. Affected products include: Mindrot Jbcrypt, Fedoraproject Fedora.