CVE-2016-6298

low-risk
Published 2016-09-01

The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).

Do I need to act?

-
0.36% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Jwcrypto

Affected Vendors

Latchset

References (10)

Broken Link http://www.securityfocus.com/bid/92729
Issue Tracking https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5...
Issue Tracking https://github.com/latchset/jwcrypto/issues/65
Issue Tracking https://github.com/latchset/jwcrypto/pull/66
Patch https://github.com/latchset/jwcrypto/releases/tag/v0.3.2
Broken Link http://www.securityfocus.com/bid/92729
Issue Tracking https://github.com/latchset/jwcrypto/commit/eb5be5bd94c8cae1d7f3ba9801377084d8e5...
Issue Tracking https://github.com/latchset/jwcrypto/issues/65
Issue Tracking https://github.com/latchset/jwcrypto/pull/66
Patch https://github.com/latchset/jwcrypto/releases/tag/v0.3.2
23
/ 100
low-risk
Severity 17/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal