Bug 1687310 (CVE-2019-3860)
Summary: | CVE-2019-3860 libssh2: Out-of-bounds reads with specially crafted SFTP packets | ||
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Product: | [Other] Security Response | Reporter: | Andrej Nemec <anemec> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED ERRATA | QA Contact: | |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | unspecified | CC: | bmcclain, dfediuck, djuran, eedri, erik-fedora, kdudka, mgoldboi, michal.skrivanek, mike, paul, rjones, rschiron, sbonazzo, security-response-team, sherold |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | libssh2 1.8.1 | Doc Type: | If docs needed, set a value |
Doc Text: |
An out of bounds read flaw was discovered in libssh2 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2021-10-27 03:26:41 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1688443, 1688444, 1688445, 1690247, 1690248, 1690408, 1696058, 1697700 | ||
Bug Blocks: | 1687317 |
Description
Andrej Nemec
2019-03-11 08:58:36 UTC
Acknowledgments: Name: the libssh2 project Upstream: Chris Coulson (Canonical Ltd.) Statement: This flaw was present in libssh2 packages included in Red Hat Virtualization Hypervisor and Management Appliance, however libssh2 in these hosts is never exposed to malicious clients or servers. Reference: https://www.openwall.com/lists/oss-security/2019/03/18/3 Upstream Patch: https://libssh2.org/1.8.0-CVE/CVE-2019-3860.patch External References: https://www.libssh2.org/CVE-2019-3860.html Created libssh tracking bugs for this issue: Affects: fedora-all [bug 1690246] Created mingw-libssh2 tracking bugs for this issue: Affects: fedora-all [bug 1690247] Created mingw-libssh2 tracking bugs for this issue: Affects: epel-7 [bug 1690248] Created libssh2 tracking bugs for this issue: Affects: fedora-all [bug 1690408] |