A vulnerability, which was classified as problematic, was found in GPAC…
CVE-2022-4202 is a high-severity vulnerability in GPAC, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected GPAC versions: 2.1-DEV-rev490-g68064e101-master. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.88% chance of exploitation within 30 days, higher than 60% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of GPAC you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- RequiredA user must take an action such as opening a file or link.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 6.3 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 8.8 | High | NVD |
Official description
A vulnerability, which was classified as problematic, was found in GPAC 2.1-DEV-rev490-g68064e101-master. Affected is the function lsr_translate_coords of the file laser/lsr_dec.c. The manipulation leads to integer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is b3d821c4ae9ba62b3a194d9dcb5e99f17bd56908. It is recommended to apply a patch to fix this issue. VDB-214518 is the identifier assigned to this vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
- github.com/gpac/gpac/commit/b3d821c4ae9ba62b3a194d9dcb5e99f17bd56908Third Party Advisory
- github.com/gpac/gpac/issues/2333Exploit, Third Party Advisory
Third-party and government advisories
- vuldb.com/?id.214518Third Party Advisory
Technical write-ups (may include proof of concept)
- drive.google.com/file/d/1HVWa6IpAbvsMS5rx091RfjUB4GfXrMLE/viewExploit, Third Party Advisory
Other references
Other vulnerabilities in GPAC
- 7.3 High severity
- 7.3 High severity
- 7.3 High severity
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