Source: libssh2 Version: 1.8.0-2.1 Severity: important Tags: security upstream
Hi, The following vulnerability was published for libssh2. CVE-2019-17498[0]: | 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. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2019-17498 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17498 [1] https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/ [2] https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498 [3] https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480 [4] https://github.com/libssh2/libssh2/pull/402/commits/1c6fa92b77e34d089493fe6d3e2c6c8775858b94 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
