CVE-2012-4561
Last modified
CVE-2012-4561 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.75% chance of exploitation in the next 30 days.
Description
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libssh | Libssh | <= 0.5.2 |
| Libssh | Libssh | 0.4.7 |
| Libssh | Libssh | 0.4.8 |
| Libssh | Libssh | 0.5.0 |
| Libssh | Libssh | 0.5.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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