Description
The gig::Region::Region function in gig.cpp in libgig 4.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted gig file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libgig | 4.0.0-4 | — |
| Debian 13 | libgig | 4.0.0-4 | — |
| Debian 12 | libgig | 4.0.0-4 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libgig | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- libgig 4.0.0 (LinuxSampler) - Multiple Vulnerabilities EDB-42546 · dos · Aug 23, 2017
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20170822 libgig-LinuxSampler multiple vulnerabilities mailing-list
- 42546 exploit