Out-of-bounds Read Affecting libssh2-devel package, versions <0:1.4.3-12.amzn2.2.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN2-LIBSSH2DEVEL-5538613
- published17 May 2023
- disclosed25 Mar 2019
Introduced: 25 Mar 2019
CVE-2019-3860 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 libssh2-devel to version 0:1.4.3-12.amzn2.2.4 or higher.
This issue was patched in ALAS2-2023-2046.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libssh2-devel package and not the libssh2-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
An out of bounds read flaw was discovered in libssh2 before 1.8.1 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.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3860
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00072.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3860
- https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html
- https://lists.debian.org/debian-lts-announce/2019/07/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/
- https://seclists.org/bugtraq/2019/Apr/25
- https://security.netapp.com/advisory/ntap-20190327-0005/
- https://www.debian.org/security/2019/dsa-4431
- https://www.libssh2.org/CVE-2019-3860.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html