CVE-2013-4852
Last modified
CVE-2013-4852 is a vulnerability of currently unknown severity. Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SSH handshake, which triggers a heap-based buffer overflow.. EPSS estimates a 3.45% chance of exploitation in the next 30 days.
Description
Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execute arbitrary code in certain applications that use PuTTY via a negative size value in an RSA key signature during the SSH handshake, which triggers a heap-based buffer overflow.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Winscp | Winscp | <= 5.1.5 | — |
| Winscp | Winscp | 3.7.6 | — |
| Winscp | Winscp | 3.8.2 | — |
| Winscp | Winscp | 3.8_beta | — |
| Winscp | Winscp | 4.0.4 | — |
| Winscp | Winscp | 4.0.5 | — |
| Winscp | Winscp | 4.2.6 | — |
| Winscp | Winscp | 4.2.7 | — |
| Winscp | Winscp | 4.2.8 | — |
| Winscp | Winscp | 4.2.9 | — |
| Winscp | Winscp | 4.3.2 | — |
| Winscp | Winscp | 4.3.4 | — |
| Winscp | Winscp | 4.3.5 | — |
| Winscp | Winscp | 4.3.6 | — |
| Winscp | Winscp | 4.3.7 | — |
| Winscp | Winscp | 4.3.8 | — |
| Winscp | Winscp | 4.3.9 | — |
| Winscp | Winscp | 4.4.0 | — |
| Winscp | Winscp | 5.0 | Beta |
| Winscp | Winscp | 5.0.1 | Beta |
| Winscp | Winscp | 5.0.2 | Beta |
| Winscp | Winscp | 5.0.3 | Beta |
| Winscp | Winscp | 5.0.4 | Beta |
| Winscp | Winscp | 5.0.5 | Beta |
| Winscp | Winscp | 5.0.6 | Beta |
| Winscp | Winscp | 5.0.7 | Beta |
| Winscp | Winscp | 5.0.8 | Rc |
| Winscp | Winscp | 5.0.9 | Rc |
| Winscp | Winscp | 5.1 | — |
| Winscp | Winscp | 5.1.1 | — |
| Winscp | Winscp | 5.1.2 | — |
| Winscp | Winscp | 5.1.3 | — |
| Winscp | Winscp | 5.1.4 | — |
| Debian | Debian Linux | 6.0 | — |
| Debian | Debian Linux | 7.0 | — |
| Debian | Debian Linux | 7.1 | — |
| Opensuse | Opensuse | 12.3 | — |
| Putty | Putty | 0.45 | — |
| Putty | Putty | 0.46 | — |
| Putty | Putty | 0.47 | — |
| Putty | Putty | 0.48 | — |
| Putty | Putty | 0.49 | — |
| Putty | Putty | 0.50 | — |
| Putty | Putty | 0.51 | — |
| Putty | Putty | 0.52 | — |
| Putty | Putty | 0.53b | — |
| Putty | Putty | 0.54 | — |
| Putty | Putty | 0.55 | — |
| Putty | Putty | 0.56 | — |
| Putty | Putty | 0.57 | — |
Showing 50 of 57 affected configurations. See NVD for the full list.
References
- http://secunia.com/advisories/54379Vendor Advisory
- http://secunia.com/advisories/54379Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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