Publish Advisories

GHSA-m6xf-fq7q-8743
GHSA-743r-5g92-5vgf
This commit is contained in:
advisory-database[bot]
2024-09-12 20:50:02 +00:00
parent 3262aa6581
commit 6639165015
2 changed files with 27 additions and 3 deletions
@@ -1,17 +1,21 @@
{
"schema_version": "1.4.0",
"id": "GHSA-m6xf-fq7q-8743",
"modified": "2022-10-07T13:07:17Z",
"modified": "2024-09-12T20:49:31Z",
"published": "2020-03-24T15:06:32Z",
"aliases": [
"CVE-2020-6816"
],
"summary": "mutation XSS via whitelisted math or svg and raw tag in Bleach",
"summary": "Bleach vulnerable to mutation XSS via whitelisted math or svg and raw tag",
"details": "### Impact\n\nA [mutation XSS](https://cure53.de/fp170.pdf) affects users calling `bleach.clean` with all of:\n\n* the `svg` or `math` in the allowed/whitelisted tags\n* an RCDATA tag (see below) in the allowed/whitelisted tags\n* the keyword argument `strip=False`\n\n### Patches\n\nUsers are encouraged to upgrade to bleach v3.1.2 or greater.\n\n### Workarounds\n\n* modify `bleach.clean` calls to use `strip=True`, or not whitelist `math` or `svg` tags and one or more of the following tags:\n\n```\nscript\nnoscript\nstyle\nnoframes\nxmp\nnoembed\niframe\n```\n\n* A strong [Content-Security-Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP) without `unsafe-inline` and `unsafe-eval` [`script-src`s](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src)) will also help mitigate the risk.\n\n### References\n\n* https://bugzilla.mozilla.org/show_bug.cgi?id=1621692\n* https://cure53.de/fp170.pdf\n* https://nvd.nist.gov/vuln/detail/CVE-2020-6816\n* https://www.checkmarx.com/blog/vulnerabilities-discovered-in-mozilla-bleach\n\n### Credits\n\n* Reported by [Yaniv Nizry](https://twitter.com/ynizry) from the CxSCA AppSec group at Checkmarx\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n\n* Open an issue at [https://github.com/mozilla/bleach/issues](https://github.com/mozilla/bleach/issues)\n* Email us at [security@mozilla.org](mailto:security@mozilla.org)",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
}
],
"affected": [
@@ -48,10 +52,18 @@
"type": "WEB",
"url": "https://advisory.checkmarx.net/advisory/CX-2020-4277"
},
{
"type": "PACKAGE",
"url": "https://github.com/mozilla/bleach"
},
{
"type": "WEB",
"url": "https://github.com/mozilla/bleach/releases/tag/v3.1.2"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/bleach/PYSEC-2020-28.yaml"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EDQU2SZLZMSSACCBUBJ6NOSRNNBDYFW5"
@@ -1,7 +1,7 @@
{
"schema_version": "1.4.0",
"id": "GHSA-743r-5g92-5vgf",
"modified": "2021-12-03T15:20:59Z",
"modified": "2024-09-12T20:48:35Z",
"published": "2021-11-24T21:11:16Z",
"aliases": [
"CVE-2021-40829"
@@ -12,6 +12,10 @@
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
@@ -78,6 +82,10 @@
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-40829"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-743r-5g92-5vgf"
},
{
"type": "WEB",
"url": "https://github.com/aws/aws-iot-device-sdk-cpp-v2"
@@ -101,6 +109,10 @@
{
"type": "WEB",
"url": "https://github.com/awslabs/aws-c-io"
},
{
"type": "WEB",
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/awsiotsdk/PYSEC-2021-862.yaml"
}
],
"database_specific": {