Unscored severity · published Jun 24, 2015
CVE-2015-3900
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to…
–
CVSS
8.9%
EPSS
No
On KEV
Description
RubyGems 2.0.x before 2.0.16, 2.2.x before 2.2.4, and 2.4.x before 2.4.7 does not validate the hostname when fetching gems or making API requests, which allows remote attackers to redirect requests to arbitrary domains via a crafted DNS SRV record, aka a "DNS hijack attack."
Exploitation
Is it being used?
Exploit prediction (EPSS)8.9% · higher than 95% 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; 7.0 · source: NVD
RU
Ruby · Ruby-lang
1.9; 1.9.1; 1.9.2; 1.9.3; 2.0.0; 2.1; +6 more · source: NVD
RU
Rubygems · Rubygems
2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4; 2.0.5; +21 more · source: NVD
SO
Solaris · Oracle
11.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-3900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-3900
Patch
http://blog.rubygems.org/2015/05/14/CVE-2015-3900.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163502.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163600.html
lists.fedoraproject.org
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164236.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1657.html
Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/26/2
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