Vulnerability Monitor

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CVE-2017-0903

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.

Published

2017-10-11T18:29:00.583

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-502
Type: Primary
CWE-502

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.0	Yes
Application	rubygems	rubygems	2.0.1	Yes
Application	rubygems	rubygems	2.0.2	Yes
Application	rubygems	rubygems	2.0.3	Yes
Application	rubygems	rubygems	2.0.4	Yes
Application	rubygems	rubygems	2.0.5	Yes
Application	rubygems	rubygems	2.0.6	Yes
Application	rubygems	rubygems	2.0.7	Yes
Application	rubygems	rubygems	2.0.8	Yes
Application	rubygems	rubygems	2.0.9	Yes
Application	rubygems	rubygems	2.0.10	Yes
Application	rubygems	rubygems	2.0.11	Yes
Application	rubygems	rubygems	2.0.12	Yes
Application	rubygems	rubygems	2.0.13	Yes
Application	rubygems	rubygems	2.0.14	Yes
Application	rubygems	rubygems	2.0.15	Yes
Application	rubygems	rubygems	2.0.16	Yes
Application	rubygems	rubygems	2.0.17	Yes
Application	rubygems	rubygems	2.1.0	Yes
Application	rubygems	rubygems	2.1.0.rc.1	Yes
Application	rubygems	rubygems	2.1.0.rc.2	Yes
Application	rubygems	rubygems	2.1.1	Yes
Application	rubygems	rubygems	2.1.2	Yes
Application	rubygems	rubygems	2.1.3	Yes
Application	rubygems	rubygems	2.1.4	Yes
Application	rubygems	rubygems	2.1.5	Yes
Application	rubygems	rubygems	2.1.6	Yes
Application	rubygems	rubygems	2.1.7	Yes
Application	rubygems	rubygems	2.1.8	Yes
Application	rubygems	rubygems	2.1.9	Yes
Application	rubygems	rubygems	2.1.10	Yes
Application	rubygems	rubygems	2.1.11	Yes
Application	rubygems	rubygems	2.2.0	Yes
Application	rubygems	rubygems	2.2.0.preiew.1	Yes
Application	rubygems	rubygems	2.2.0.rc.1	Yes
Application	rubygems	rubygems	2.2.1	Yes
Application	rubygems	rubygems	2.2.2	Yes
Application	rubygems	rubygems	2.2.3	Yes
Application	rubygems	rubygems	2.2.4	Yes
Application	rubygems	rubygems	2.2.5	Yes
Application	rubygems	rubygems	2.3.0	Yes
Application	rubygems	rubygems	2.4.0	Yes
Application	rubygems	rubygems	2.4.1	Yes
Application	rubygems	rubygems	2.4.2	Yes
Application	rubygems	rubygems	2.4.3	Yes
Application	rubygems	rubygems	2.4.4	Yes
Application	rubygems	rubygems	2.4.5	Yes
Application	rubygems	rubygems	2.4.6	Yes
Application	rubygems	rubygems	2.4.7	Yes
Application	rubygems	rubygems	2.4.8	Yes
Application	rubygems	rubygems	2.5.0	Yes
Application	rubygems	rubygems	2.5.1	Yes
Application	rubygems	rubygems	2.5.2	Yes
Application	rubygems	rubygems	2.6.0	Yes
Application	rubygems	rubygems	2.6.1	Yes
Application	rubygems	rubygems	2.6.2	Yes
Application	rubygems	rubygems	2.6.3	Yes
Application	rubygems	rubygems	2.6.4	Yes
Application	rubygems	rubygems	2.6.5	Yes
Application	rubygems	rubygems	2.6.6	Yes
Application	rubygems	rubygems	2.6.7	Yes
Application	rubygems	rubygems	2.6.8	Yes
Application	rubygems	rubygems	2.6.9	Yes
Application	rubygems	rubygems	2.6.10	Yes
Application	rubygems	rubygems	2.6.11	Yes
Application	rubygems	rubygems	2.6.12	Yes
Application	rubygems	rubygems	2.6.13	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	17.10	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.4	Yes
Operating System	redhat	enterprise_linux_server_aus	7.6	Yes
Operating System	redhat	enterprise_linux_server_eus	7.4	Yes
Operating System	redhat	enterprise_linux_server_eus	7.5	Yes
Operating System	redhat	enterprise_linux_server_eus	7.6	Yes
Operating System	redhat	enterprise_linux_server_tus	7.4	Yes
Operating System	redhat	enterprise_linux_server_tus	7.6	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes

References

http://blog.rubygems.org/2017/10/09/2.6.14-released.html Vendor Advisory ([email protected])
http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/101275 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2017:3485 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0378 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0583 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:0585 Third Party Advisory ([email protected])
https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49 Patch, Third Party Advisory ([email protected])
https://hackerone.com/reports/274990 Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing List, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3553-1/ Third Party Advisory ([email protected])
https://usn.ubuntu.com/3685-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-4031 Third Party Advisory ([email protected])
http://blog.rubygems.org/2017/10/09/2.6.14-released.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://blog.rubygems.org/2017/10/09/unsafe-object-deserialization-vulnerability.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/101275 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:3485 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0378 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0583 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0585 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/rubygems/rubygems/commit/510b1638ac9bba3ceb7a5d73135dafff9e5bab49 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/274990 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3553-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3685-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4031 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)