Vulnerability Details : CVE-2020-24994
Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.
Vulnerability category: Execute codeDenial of service
Products affected by CVE-2020-24994
- cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-24994
1.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 85 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-24994
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-24994
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-24994
-
https://github.com/libass/libass/issues/422
stack-overflow on ass_parse.c:234 *parse_tag · Issue #422 · libass/libass · GitHubPatch;Third Party Advisory
-
https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e
parse_tags: don't recurse for nested \t() · libass/libass@6835731 · GitHubPatch;Third Party Advisory
-
https://github.com/libass/libass/issues/423
stack-overflow on ass_parse.c:77 mystrcmp · Issue #423 · libass/libass · GitHubThird Party Advisory
-
https://github.com/libass/libass/issues/422#issuecomment-806002919
stack-overflow on ass_parse.c:234 *parse_tag · Issue #422 · libass/libass · GitHubIssue Tracking;Patch;Third Party Advisory
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