Input validation error in libssh (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2012-4562 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libssh (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU33915
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2012-4562
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.
MitigationInstall update from vendor's website.
Vulnerable software versionslibssh (Alpine package): 0.4.8-r0 - 0.5.2-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=3aa8dade2d1f5f2305e19a6b358c2387cad1e44e
http://git.alpinelinux.org/aports/commit/?id=64fa42e2bc50a87954e1da1bc1b7d046a3f8a3e0
http://git.alpinelinux.org/aports/commit/?id=83c66142a67d9bcd991f2e6336e51ec8c190ceb6
http://git.alpinelinux.org/aports/commit/?id=105ad95e86f1c3023bbff961a80bbce2265ef164
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
