154 lines
6.6 KiB
JSON
154 lines
6.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55244",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T16:44:00.624Z",
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"datePublished": "2026-09-14T20:00:24.584Z",
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"dateUpdated": "2026-09-16T16:17:50.777Z"
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},
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"containers": {
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"cna": {
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"title": "ASTEVAL: Sandbox Escape via BaseException Subclasses",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-248",
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"lang": "en",
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"description": "CWE-248: Uncaught Exception",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "LOCAL",
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"availabilityImpact": "HIGH",
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"baseScore": 5,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/lmfit/asteval/security/advisories/GHSA-89v8-rhwq-hf77",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/lmfit/asteval/security/advisories/GHSA-89v8-rhwq-hf77"
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},
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{
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"name": "https://github.com/lmfit/asteval/pull/153",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lmfit/asteval/pull/153"
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},
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{
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"name": "https://github.com/lmfit/asteval/commit/9c625b3674f8d05f206708bb85afca17a87694a4",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lmfit/asteval/commit/9c625b3674f8d05f206708bb85afca17a87694a4"
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},
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{
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"name": "https://github.com/lmfit/asteval/commit/c49c99a67acb63eb7410231932250bd820380e45",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lmfit/asteval/commit/c49c99a67acb63eb7410231932250bd820380e45"
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},
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{
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"name": "https://github.com/lmfit/asteval/releases/tag/1.0.9",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lmfit/asteval/releases/tag/1.0.9"
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}
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],
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"affected": [
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{
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"vendor": "lmfit",
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"product": "asteval",
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"versions": [
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{
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"version": "< 1.0.9",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-14T20:00:24.584Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "ASTEVAL is an evaluator of Python expressions and statements. Prior to 1.0.9, FROM_PY in asteval/astutils.py exposes BaseException, SystemExit, KeyboardInterrupt, and GeneratorExit to expressions evaluated by asteval.Interpreter.eval(), while run() and eval() in asteval/asteval.py catch Exception rather than these non-Exception BaseException subclasses. When an attacker-controlled expression raises one of these classes, on_raise() passes the class to raise_exception(), and the resulting exception bypasses the interpreter's safety handlers and propagates into the calling application. A consuming service that evaluates untrusted expressions can therefore be terminated or have signal and cleanup handling disrupted, causing denial of service. The separately documented read-only open() capability is not part of this vulnerability. This issue is fixed in version 1.0.9."
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}
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],
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"source": {
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"advisory": "GHSA-89v8-rhwq-hf77",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/lmfit/asteval/security/advisories/GHSA-89v8-rhwq-hf77",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-16T16:17:25.234532Z",
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"id": "CVE-2026-55244",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-16T16:17:50.777Z"
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}
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}
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]
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}
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} |