Vulnerability Details : CVE-2020-15216
In goxmldsig (XML Digital Signatures implemented in pure Go) before version 1.1.0, with a carefully crafted XML file, an attacker can completely bypass signature validation and pass off an altered file as a signed one. A patch is available, all users of goxmldsig should upgrade to at least revision f6188febf0c29d7ffe26a0436212b19cb9615e64 or version 1.1.0
Products affected by CVE-2020-15216
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:a:goxmldsig_project:goxmldsig:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15216
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15216
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N |
1.6
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2020-15216
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2020-15216
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUH33FPUXED3FHYL25BJOQPRKFGPOMS2/
[SECURITY] Fedora 32 Update: golang-github-russellhaering-goxmldsig-1.1.0-1.fc32 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://pkg.go.dev/github.com/russellhaering/goxmldsig?tab=overview
dsig package · pkg.go.devThird Party Advisory
-
https://github.com/russellhaering/goxmldsig/commit/f6188febf0c29d7ffe26a0436212b19cb9615e64
Validate the shape of a signature object prior to unmarshalling the S… · russellhaering/goxmldsig@f6188fe · GitHubPatch;Third Party Advisory
-
https://github.com/russellhaering/goxmldsig/security/advisories/GHSA-q547-gmf8-8jr7
Signature Validation Bypass · Advisory · russellhaering/goxmldsig · GitHubThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZECBFD4M4PHBMBOCMSQ537NOU37QOVWP/
[SECURITY] Fedora 33 Update: golang-github-russellhaering-goxmldsig-1.1.0-1.fc33 - package-announce - Fedora Mailing-ListsThird Party Advisory
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