Unrated severityNVD Advisory· Published May 4, 2020· Updated Aug 4, 2024
CVE-2020-10933
CVE-2020-10933
Description
An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23- Ruby/Rubydescription
- osv-coords21 versionspkg:bitnami/rubypkg:bitnami/ruby-minpkg:rpm/almalinux/rubygem-abrtpkg:rpm/almalinux/rubygem-abrt-docpkg:rpm/almalinux/rubygem-bsonpkg:rpm/almalinux/rubygem-bson-docpkg:rpm/almalinux/rubygem-mongopkg:rpm/almalinux/rubygem-mongo-docpkg:rpm/almalinux/rubygem-mysql2pkg:rpm/almalinux/rubygem-mysql2-docpkg:rpm/almalinux/rubygem-pgpkg:rpm/almalinux/rubygem-pg-docpkg:rpm/opensuse/ruby2.5&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/ruby2.7&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby3.0&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby3.1&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby3.2&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby3.3&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby3.4&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/ruby4.0&distro=openSUSE%20Tumbleweedpkg:rpm/suse/ruby2.5&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1
>= 2.5.0, < 2.5.8+ 20 more
- (no CPE)range: >= 2.5.0, < 2.5.8
- (no CPE)range: >= 2.5.0, < 2.5.8
- (no CPE)range: < 0.3.0-4.module_el8.5.0+2625+ec418553
- (no CPE)range: < 0.3.0-4.module_el8.5.0+259+8cec6917
- (no CPE)range: < 4.3.0-2.module_el8.5.0+2625+ec418553
- (no CPE)range: < 4.3.0-2.module_el8.5.0+2625+ec418553
- (no CPE)range: < 2.5.1-2.module_el8.5.0+259+8cec6917
- (no CPE)range: < 2.5.1-2.module_el8.5.0+2625+ec418553
- (no CPE)range: < 0.4.10-4.module_el8.5.0+259+8cec6917
- (no CPE)range: < 0.4.10-4.module_el8.5.0+2625+ec418553
- (no CPE)range: < 1.0.0-2.module_el8.5.0+2625+ec418553
- (no CPE)range: < 1.0.0-2.module_el8.5.0+2625+ec418553
- (no CPE)range: < 2.5.8-lp151.4.9.1
- (no CPE)range: < 2.7.3-3.2
- (no CPE)range: < 3.0.1-3.2
- (no CPE)range: < 3.1.0-1.1
- (no CPE)range: < 3.2.1-1.1
- (no CPE)range: < 3.3.0-1.2
- (no CPE)range: < 3.4.1-1.1
- (no CPE)range: < 4.0.0~preview2-1.1
- (no CPE)range: < 2.5.8-4.11.1
Patches
Vulnerability mechanics
References
4- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4TNVTT66VPRMX5UZYSDGSVRXKKDDDU5/mitrevendor-advisoryx_refsource_FEDORA
- www.debian.org/security/2020/dsa-4721mitrevendor-advisoryx_refsource_DEBIAN
- security.netapp.com/advisory/ntap-20200625-0001/mitrex_refsource_CONFIRM
- www.ruby-lang.org/en/news/2020/03/31/heap-exposure-in-socket-cve-2020-10933/mitrex_refsource_CONFIRM
News mentions
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