(from https://nvd.nist.gov/vuln/detail/CVE-2022-25314) In Expat (aka libexpat) before 2.4.5, there is an integer overflow in copyString.
In copyString of xmlparse.c, there is a possible memory corruption due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "251351171225339159845890553705570564797", "164918534945545609943095131435131728788", "21341780531121385281976066736211690096", "58231789298183371698712259707035082402" ] }, "id": "ASB-A-221384482-bc0ed9d9", "source": "https://android.googlesource.com/platform/external/expat/+/e25c84037506951dfe74a5fae1627fe22bc0ebf4", "deprecated": false, "signature_version": "v1", "target": { "file": "lib/xmlparse.c" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/external/expat/+/e25c84037506951dfe74a5fae1627fe22bc0ebf4" ], "spl": "2022-09-01", "severity": "High", "types": [ "EoP" ] }
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "153767891610917889605003169127446491132", "44913918909586163993101308885805781242", "157451433911188244556951417651835841343", "58231789298183371698712259707035082402" ] }, "id": "ASB-A-221384482-14bfa805", "source": "https://android.googlesource.com/platform/external/expat/+/72de6c81aa02d48ed86b96d2e29d773086fb7d4c", "deprecated": false, "signature_version": "v1", "target": { "file": "lib/xmlparse.c" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/external/expat/+/72de6c81aa02d48ed86b96d2e29d773086fb7d4c" ], "spl": "2022-09-01", "severity": "High", "types": [ "EoP" ] }
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "153767891610917889605003169127446491132", "44913918909586163993101308885805781242", "157451433911188244556951417651835841343", "58231789298183371698712259707035082402" ] }, "id": "ASB-A-221384482-feca0826", "source": "https://android.googlesource.com/platform/external/expat/+/fe3486a743af350becbed5cf10a56195a4a8756f", "deprecated": false, "signature_version": "v1", "target": { "file": "lib/xmlparse.c" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/external/expat/+/fe3486a743af350becbed5cf10a56195a4a8756f" ], "spl": "2022-09-01", "severity": "High", "types": [ "EoP" ] }
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "153767891610917889605003169127446491132", "44913918909586163993101308885805781242", "157451433911188244556951417651835841343", "58231789298183371698712259707035082402" ] }, "id": "ASB-A-221384482-7d370f05", "source": "https://android.googlesource.com/platform/external/expat/+/16ca7a9401c288814a087b7d5992683eb2d93605", "deprecated": false, "signature_version": "v1", "target": { "file": "lib/xmlparse.c" }, "signature_type": "Line" } ], "fixes": [ "https://android.googlesource.com/platform/external/expat/+/16ca7a9401c288814a087b7d5992683eb2d93605" ], "spl": "2022-09-01", "severity": "High", "types": [ "EoP" ] }