CVE-2016-1494

EUVD-2016-0032
The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
Affected Products (NVD)
VendorProductVersion
pythonrsa
𝑥
< 3.3
opensuseleap
42.1
opensuseopensuse
13.1
opensuseopensuse
13.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-rsa
bookworm
4.8-1
fixed
bullseye
4.0-4
fixed
sid
4.9-2
fixed
trixie
4.9-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-rsa
artful
not-affected
bionic
not-affected
precise
dne
trusty
Fixed 3.1.2-1ubuntu0.1
released
vivid
ignored
wily
ignored
xenial
not-affected
yakkety
ignored
zesty
ignored
Common Weakness Enumeration
References
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
http://www.openwall.com/lists/oss-security/2016/01/05/1
http://www.openwall.com/lists/oss-security/2016/01/05/3
http://www.securityfocus.com/bid/79829
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175897.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175942.html
http://lists.opensuse.org/opensuse-updates/2016-01/msg00032.html
http://www.openwall.com/lists/oss-security/2016/01/05/1
http://www.openwall.com/lists/oss-security/2016/01/05/3
http://www.securityfocus.com/bid/79829
https://bitbucket.org/sybren/python-rsa/pull-requests/14/security-fix-bb06-attack-in-verify-by/diff
https://blog.filippo.io/bleichenbacher-06-signature-forgery-in-python-rsa/