Search criteria
3 vulnerabilities by tinyproxy_project
CVE-2023-49606 (GCVE-0-2023-49606)
Vulnerability from cvelistv5 – Published: 2024-05-01 15:31 – Updated: 2025-11-04 17:13
VLAI?
Summary
A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability.
Severity ?
9.8 (Critical)
CWE
- CWE-416 - Use After Free
Assigner
References
Impacted products
Credits
Discovered by Dimitrios Tatsis of Cisco Talos.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:tinyproxy:tinyproxy:1.10.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "tinyproxy",
"vendor": "tinyproxy",
"versions": [
{
"status": "affected",
"version": "1.10.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:tinyproxy:tinyproxy:1.11.1:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "tinyproxy",
"vendor": "tinyproxy",
"versions": [
{
"status": "affected",
"version": "1.11.1"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-49606",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-08T13:44:20.408622Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-04T17:27:48.362Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-04T17:13:21.882Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889",
"tags": [
"x_transferred"
],
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889"
},
{
"tags": [
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2024/05/07/1"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html"
},
{
"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1889"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Tinyproxy",
"vendor": "Tinyproxy",
"versions": [
{
"status": "affected",
"version": "1.11.1"
},
{
"status": "affected",
"version": "Tinyproxy 1.10.0"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Discovered by Dimitrios Tatsis of Cisco Talos."
}
],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free vulnerability exists in the HTTP Connection Headers parsing in Tinyproxy 1.11.1 and Tinyproxy 1.10.0. A specially crafted HTTP header can trigger reuse of previously freed memory, which leads to memory corruption and could lead to remote code execution. An attacker needs to make an unauthenticated HTTP request to trigger this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-416",
"description": "CWE-416: Use After Free",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-05-07T12:06:03.439Z",
"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"shortName": "talos"
},
"references": [
{
"name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/05/07/1"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
"assignerShortName": "talos",
"cveId": "CVE-2023-49606",
"datePublished": "2024-05-01T15:31:01.499Z",
"dateReserved": "2023-12-05T17:05:52.210Z",
"dateUpdated": "2025-11-04T17:13:21.882Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2022-40468 (GCVE-0-2022-40468)
Vulnerability from cvelistv5 – Published: 2022-09-19 00:00 – Updated: 2025-11-04 16:09
VLAI?
Summary
Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-04T16:09:53.843Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tinyproxy/tinyproxy"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tinyproxy/tinyproxy/issues/457"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815"
},
{
"name": "GLSA-202305-27",
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202305-27"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00035.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Potential leak of left-over heap data if custom error page templates containing special non-standard variables are used. Tinyproxy commit 84f203f and earlier use uninitialized buffers in process_request() function."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-05-21T00:00:00.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/tinyproxy/tinyproxy"
},
{
"url": "https://github.com/tinyproxy/tinyproxy/blob/84f203fb1c4733608c7283bbe794005a469c4b00/src/reqs.c#L346"
},
{
"url": "https://github.com/tinyproxy/tinyproxy/issues/457"
},
{
"url": "https://github.com/tinyproxy/tinyproxy/issues/457#issuecomment-1264176815"
},
{
"name": "GLSA-202305-27",
"tags": [
"vendor-advisory"
],
"url": "https://security.gentoo.org/glsa/202305-27"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2022-40468",
"datePublished": "2022-09-19T00:00:00.000Z",
"dateReserved": "2022-09-11T00:00:00.000Z",
"dateUpdated": "2025-11-04T16:09:53.843Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2017-11747 (GCVE-0-2017-11747)
Vulnerability from cvelistv5 – Published: 2017-07-30 16:00 – Updated: 2024-08-05 18:19
VLAI?
Summary
main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a "kill `cat /run/tinyproxy/tinyproxy.pid`" command.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T18:19:38.909Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/tinyproxy/tinyproxy/issues/106"
},
{
"name": "[debian-lts-announce] 20200331 [SECURITY] [DLA 2163-1] tinyproxy security update",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00037.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2017-07-30T00:00:00",
"descriptions": [
{
"lang": "en",
"value": "main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a \"kill `cat /run/tinyproxy/tinyproxy.pid`\" command."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-03-31T14:06:01",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/tinyproxy/tinyproxy/issues/106"
},
{
"name": "[debian-lts-announce] 20200331 [SECURITY] [DLA 2163-1] tinyproxy security update",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00037.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "cve@mitre.org",
"ID": "CVE-2017-11747",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
]
}
}
]
},
"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a \"kill `cat /run/tinyproxy/tinyproxy.pid`\" command."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/tinyproxy/tinyproxy/issues/106",
"refsource": "MISC",
"url": "https://github.com/tinyproxy/tinyproxy/issues/106"
},
{
"name": "[debian-lts-announce] 20200331 [SECURITY] [DLA 2163-1] tinyproxy security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00037.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2017-11747",
"datePublished": "2017-07-30T16:00:00",
"dateReserved": "2017-07-30T00:00:00",
"dateUpdated": "2024-08-05T18:19:38.909Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}