The (1) publickey_make_dss, (2) publickey_make_rsa, (3) signature_from_string, (4) ssh_do_sign, and (5) ssh_sign_session_id functions in keys.c in libssh before 0.5.3 free "an invalid pointer on an error path," which might allow remote attackers to cause a denial of service (crash) via unspecified vectors.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libssh | Aug 30, 2017 | Nov 30, 2012 |
| Debian | — | Upgrade libssh | Jul 30, 2024 | Nov 30, 2012 |
| Gentoo Linux | — | Upgrade net-libs/libssh. | Oct 30, 2017 | Nov 30, 2012 |
| Suse | — | Upgrade libssh4-32bitUpgrade libssh4Upgrade libssh-devel-docUpgrade libssh-develUpgrade libssh-config | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade libssh-4 | Nov 8, 2024 | Nov 30, 2012 |
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