Unscored severity · published Oct 17, 2013
CVE-2013-4287
Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x…
–
CVSS
3.3%
EPSS
No
On KEV
Description
Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
6.0 · source: NVD
RU
Ruby · Ruby-lang
1.9; 1.9.1; 1.9.2; 1.9.3; 1.9.3; 1.9.3; +16 more · source: NVD
RU
Rubygems · Rubygems
through 1.8.23; 1.8.0; 1.8.1; 1.8.2; 1.8.3; 1.8.4; +30 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-4287
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-4287
Patch
http://blog.rubygems.org/2013/09/09/CVE-2013-4287.html
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2013-1427.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2013-1441.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2013-1523.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2013-1852.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2014-0207.html
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