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CVE-2019-17498 In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| n/a | Versions not published | |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.0 → < 3.1.5 | 3.1.5 |
References
- github.com github.com
- blog.semmle.com blog.semmle.com
- github.com github.com
- FEDORA-2019-91529f19e4 lists.fedoraproject.org
- openSUSE-SU-2019:2483 lists.opensuse.org
- [debian-lts-announce] 20191113 [SECURITY] [DLA 1991-1] libssh2 security update lists.debian.org
- FEDORA-2019-ec04c34768 lists.fedoraproject.org
- github.com github.com
- [debian-lts-announce] 20211217 [SECURITY] [DLA 2848-1] libssh2 security update lists.debian.org
- security.netapp.com security.netapp.com
- packetstormsecurity.com packetstormsecurity.com
- [debian-lts-announce] 20230908 [SECURITY] [DLA 3559-1] libssh2 security update lists.debian.org
Timeline
- Published
- Last modified
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