CVEvulnerability
CVE-2019-17498
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2019-10-21
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:P
- Weaknesses
- CWE-190
Description
In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.
Affected configurations
• libssh2 libssh2 (<= 1.9.0)
• fedoraproject fedora 30
• fedoraproject fedora 31
• opensuse leap 15.1
• debian debian linux 8.0
• debian debian linux 9.0
• netapp active iq unified manager
• netapp element software
• netapp hci management node
• netapp ontap select deploy administration utility
• netapp solidfire
• netapp bootstrap os
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html packetstormsecurity.com
- https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/ Broken Link
- https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498 Exploit, Third Party Advisory
- https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480 Exploit, Third Party Advisory
- https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9c Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00013.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22H4Q5XMGS3QNSA7OCL3U7UQZ4NXMR5O/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TY7EEE34RFKCTXTMBQQWWSLXZWSCXNDB/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20220909-0004/ Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html packetstormsecurity.com
- https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/ Broken Link
- https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498 Exploit, Third Party Advisory
- https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480 Exploit, Third Party Advisory
- https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9c Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00013.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html lists.debian.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22H4Q5XMGS3QNSA7OCL3U7UQZ4NXMR5O/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TY7EEE34RFKCTXTMBQQWWSLXZWSCXNDB/ lists.fedoraproject.org
- https://security.netapp.com/advisory/ntap-20220909-0004/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com