Infinite loop in wireshark (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-7702 |
| CWE-ID | CWE-835 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
wireshark (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) Infinite loop
EUVDB-ID: #VU33534
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-7702
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Wireshark 2.2.0 to 2.2.5 and 2.0.0 to 2.0.11, the WBXML dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-wbxml.c by adding length validation.
MitigationInstall update from vendor's website.
Vulnerable software versionswireshark (Alpine package): 2.0.4-r0 - 2.0.11-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=c1e7edb9240a8c3d0893da2c7e6b098117459a5d
http://git.alpinelinux.org/aports/commit/?id=e60cdc58fdbbe1c315e9327497e04e61dd8bd4b4
http://git.alpinelinux.org/aports/commit/?id=7f2025713837d373400e4e9dbca65587de557be6
http://git.alpinelinux.org/aports/commit/?id=0ac366ad2d5b3b89ad6ead39c25460c929cd823c
http://git.alpinelinux.org/aports/commit/?id=a3941a00036014165b8ba5ecdf3b74264d05f3c4
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.
