Issued:
2019-02-11
Updated:
2019-02-11

RHSA-2019:0303 - Security Advisory

Synopsis

Important: runc security update

Type/Severity

Security Advisory: Important

Topic

An update for runc is now available for Red Hat Enterprise Linux 7 Extras.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime.

Security Fix(es):

  • A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system. (CVE-2019-5736)

Additional details about this flaw, including mitigation information, can be found in the vulnerability article linked from the Reference section.

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for ARM 64 7 aarch64
  • Red Hat Enterprise Linux for Power 9 7 ppc64le
  • Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x

Fixes

  • BZ - 1664908 - CVE-2019-5736 runc: Execution of malicious containers allows for container escape and access to host filesystem

CVEs

References

Red Hat Enterprise Linux Server 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
x86_64
runc-1.0.0-59.dev.git2abd837.el7.x86_64.rpm SHA-256: deb1ef58bfaf280db1b98a55237bcbff781a4400c66a497e8df9adfc6dedf983
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.x86_64.rpm SHA-256: 64eed858bcfeae993091da71b432da9db196632dce647d671932a4c23cea8801

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
s390x
runc-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 5304bb2d885f53ce93f8afe34bbcc1068586f05b6d29ff5c4dcc691999d8f81d
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 703b6fa5c5fcb5abca3ceb81550eed46cccac1cf6fd3a2c51e7a00bbafc6a301

Red Hat Enterprise Linux for Power, little endian 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
ppc64le
runc-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: e603f7553b48906c8d147fcde24e02116864ab24348c2c0781a273cc4c4fcffa
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: 88b34cfc8cf864b09e8b0b3ee5f5925b37c2cdbc8ae926f1b8968560aa7d51f5

Red Hat Enterprise Linux for ARM 64 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
aarch64
runc-1.0.0-59.dev.git2abd837.el7.aarch64.rpm SHA-256: 29bfa315aff0d916bef8e9e4672f78bebbd1d110aafab6163c5f52db3ab9fc79
runc-1.0.0-59.dev.git2abd837.el7.aarch64.rpm SHA-256: 29bfa315aff0d916bef8e9e4672f78bebbd1d110aafab6163c5f52db3ab9fc79
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.aarch64.rpm SHA-256: 6764fac8f17f5cc200afd03ba4dda38a77a53cdca21249e54fdfa9c4d6cc88a1
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.aarch64.rpm SHA-256: 6764fac8f17f5cc200afd03ba4dda38a77a53cdca21249e54fdfa9c4d6cc88a1

Red Hat Enterprise Linux for Power 9 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
ppc64le
runc-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: e603f7553b48906c8d147fcde24e02116864ab24348c2c0781a273cc4c4fcffa
runc-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: e603f7553b48906c8d147fcde24e02116864ab24348c2c0781a273cc4c4fcffa
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: 88b34cfc8cf864b09e8b0b3ee5f5925b37c2cdbc8ae926f1b8968560aa7d51f5
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.ppc64le.rpm SHA-256: 88b34cfc8cf864b09e8b0b3ee5f5925b37c2cdbc8ae926f1b8968560aa7d51f5

Red Hat Enterprise Linux for IBM System z (Structure A) 7

SRPM
runc-1.0.0-59.dev.git2abd837.el7.src.rpm SHA-256: 087c355f26f2d87780337f20d751c801e42d86cba2b9f5f3ba79f2f782748f80
s390x
runc-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 5304bb2d885f53ce93f8afe34bbcc1068586f05b6d29ff5c4dcc691999d8f81d
runc-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 5304bb2d885f53ce93f8afe34bbcc1068586f05b6d29ff5c4dcc691999d8f81d
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 703b6fa5c5fcb5abca3ceb81550eed46cccac1cf6fd3a2c51e7a00bbafc6a301
runc-debuginfo-1.0.0-59.dev.git2abd837.el7.s390x.rpm SHA-256: 703b6fa5c5fcb5abca3ceb81550eed46cccac1cf6fd3a2c51e7a00bbafc6a301

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