Use-after-free in openssl (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2009-1379 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
openssl (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) Use-after-free
EUVDB-ID: #VU33339
Risk: Medium
CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]
CVE-ID: CVE-2009-1379
CWE-ID:
CWE-416 - Use After Free
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing a DTLS packet, as demonstrated by a packet from a server that uses a crafted server certificate. A remote attackers can cause a denial of service (openssl s_client crash) and possibly have unspecified other impact.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsopenssl (Alpine package): 0.9.8l-r0 - 0.9.8l-r1
CPE2.3- cpe:2.3:a:alpine:openssl_alpine_package:0.9.8l-r0:*:*:*:*:alpine_linux:*:1.9
- cpe:2.3:a:alpine:openssl_alpine_package:0.9.8l-r1:*:*:*:*:alpine_linux:*:1.9
https://git.alpinelinux.org/aports/commit/?id=a83972c6ef8cc9fa9e47868248d78e48a4e92207
https://git.alpinelinux.org/aports/commit/?id=58c4a2ed5b63919fd9a7d78a14bd2b93eca96b05
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. However, proof of concept for this vulnerability is available.
