usn-4337-1
Vulnerability from osv_ubuntu
It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service while processing a specially crafted regular expression. (CVE-2020-2754, CVE-2020-2755)
It was discovered that OpenJDK incorrectly handled class descriptors and catching exceptions during object stream deserialization. An attacker could possibly use this issue to cause a denial of service while processing a specially crafted serialized input. (CVE-2020-2756, CVE-2020-2757)
Bengt Jonsson, Juraj Somorovsky, Kostis Sagonas, Paul Fiterau Brostean and Robert Merget discovered that OpenJDK incorrectly handled certificate messages during TLS handshake. An attacker could possibly use this issue to bypass certificate verification and insert, edit or obtain sensitive information. This issue only affected OpenJDK 11. (CVE-2020-2767)
It was discovered that OpenJDK incorrectly handled exceptions thrown by unmarshalKeyInfo() and unmarshalXMLSignature(). An attacker could possibly use this issue to cause a denial of service while reading key info or XML signature data from XML input. (CVE-2020-2773)
Peter Dettman discovered that OpenJDK incorrectly handled SSLParameters in setAlgorithmConstraints(). An attacker could possibly use this issue to override the defined systems security policy and lead to the use of weak crypto algorithms that should be disabled. This issue only affected OpenJDK 11. (CVE-2020-2778)
Simone Bordet discovered that OpenJDK incorrectly re-used single null TLS sessions for new TLS connections. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2020-2781)
Dan Amodio discovered that OpenJDK did not restrict the use of CR and LF characters in values for HTTP headers. An attacker could possibly use this issue to insert, edit or obtain sensitive information. (CVE-2020-2800)
Nils Emmerich discovered that OpenJDK incorrectly checked boundaries or argument types. An attacker could possibly use this issue to bypass sandbox restrictions causing unspecified impact. (CVE-2020-2803, CVE-2020-2805)
It was discovered that OpenJDK incorrectly handled application data packets during TLS handshake. An attacker could possibly use this issue to insert, edit or obtain sensitive information. This issue only affected OpenJDK 11. (CVE-2020-2816)
It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-2830)
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-2754",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2755",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2756",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2757",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2773",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2781",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2800",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2803",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2805",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2830",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "openjdk-8-demo",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jdk",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jdk-headless",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jre",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jre-headless",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jre-jamvm",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-jre-zero",
"binary_version": "8u252-b09-1~16.04"
},
{
"binary_name": "openjdk-8-source",
"binary_version": "8u252-b09-1~16.04"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "openjdk-8",
"purl": "pkg:deb/ubuntu/openjdk-8@8u252-b09-1~16.04?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8u252-b09-1~16.04"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8u66-b01-5",
"8u72-b05-1ubuntu1",
"8u72-b05-5",
"8u72-b05-6",
"8u72-b15-1",
"8u72-b15-2ubuntu1",
"8u72-b15-2ubuntu3",
"8u72-b15-3ubuntu1",
"8u77-b03-1ubuntu2",
"8u77-b03-3ubuntu1",
"8u77-b03-3ubuntu2",
"8u77-b03-3ubuntu3",
"8u91-b14-0ubuntu4~16.04.1",
"8u91-b14-3ubuntu1~16.04.1",
"8u111-b14-2ubuntu0.16.04.2",
"8u121-b13-0ubuntu1.16.04.2",
"8u131-b11-0ubuntu1.16.04.2",
"8u131-b11-2ubuntu1.16.04.2",
"8u131-b11-2ubuntu1.16.04.3",
"8u151-b12-0ubuntu0.16.04.2",
"8u162-b12-0ubuntu0.16.04.2",
"8u171-b11-0ubuntu0.16.04.1",
"8u181-b13-0ubuntu0.16.04.1",
"8u181-b13-1ubuntu0.16.04.1",
"8u191-b12-0ubuntu0.16.04.1",
"8u191-b12-2ubuntu0.16.04.1",
"8u212-b03-0ubuntu1.16.04.1",
"8u222-b10-1ubuntu1~16.04.1",
"8u232-b09-0ubuntu1~16.04.1",
"8u242-b08-0ubuntu3~16.04"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-2754",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2755",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2756",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2757",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2773",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2778",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2781",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2800",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2803",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2805",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2816",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2830",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "openjdk-8-demo",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-jdk",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-jdk-headless",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-jre",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-jre-headless",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-jre-zero",
"binary_version": "8u252-b09-1~18.04"
},
{
"binary_name": "openjdk-8-source",
"binary_version": "8u252-b09-1~18.04"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "openjdk-8",
"purl": "pkg:deb/ubuntu/openjdk-8@8u252-b09-1~18.04?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8u252-b09-1~18.04"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8u144-b01-2",
"8u151-b12-1",
"8u162-b12-1",
"8u171-b11-0ubuntu0.18.04.1",
"8u181-b13-0ubuntu0.18.04.1",
"8u181-b13-1ubuntu0.18.04.1",
"8u191-b12-0ubuntu0.18.04.1",
"8u191-b12-2ubuntu0.18.04.1",
"8u212-b03-0ubuntu1.18.04.1",
"8u222-b10-1ubuntu1~18.04.1",
"8u232-b09-0ubuntu1~18.04.1",
"8u242-b08-0ubuntu3~18.04"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2020-2754",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2755",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2756",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2757",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2767",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2773",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2778",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2781",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2800",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2803",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2805",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2816",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2020-2830",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "openjdk-11-demo",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-jdk",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-jdk-headless",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-jre",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-jre-headless",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-jre-zero",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
},
{
"binary_name": "openjdk-11-source",
"binary_version": "11.0.7+10-2ubuntu2~18.04"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "openjdk-lts",
"purl": "pkg:deb/ubuntu/openjdk-lts@11.0.7+10-2ubuntu2~18.04?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "11.0.7+10-2ubuntu2~18.04"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"9.0.4+12-2ubuntu4",
"9.0.4+12-4ubuntu1",
"10~46-4ubuntu1",
"10~46-5ubuntu1",
"10.0.1+10-1ubuntu2",
"10.0.1+10-3ubuntu1",
"10.0.2+13-1ubuntu0.18.04.1",
"10.0.2+13-1ubuntu0.18.04.2",
"10.0.2+13-1ubuntu0.18.04.3",
"10.0.2+13-1ubuntu0.18.04.4",
"11.0.2+9-3ubuntu1~18.04.3",
"11.0.3+7-1ubuntu2~18.04.1",
"11.0.4+11-1ubuntu2~18.04.3",
"11.0.5+10-0ubuntu1.1~18.04",
"11.0.6+10-1ubuntu1~18.04.1"
]
}
],
"aliases": [],
"details": "It was discovered that OpenJDK incorrectly handled certain regular\nexpressions. An attacker could possibly use this issue to cause a denial of\nservice while processing a specially crafted regular expression.\n(CVE-2020-2754, CVE-2020-2755)\n\nIt was discovered that OpenJDK incorrectly handled class descriptors and\ncatching exceptions during object stream deserialization. An attacker could\npossibly use this issue to cause a denial of service while processing a\nspecially crafted serialized input. (CVE-2020-2756, CVE-2020-2757)\n\nBengt Jonsson, Juraj Somorovsky, Kostis Sagonas, Paul Fiterau Brostean and\nRobert Merget discovered that OpenJDK incorrectly handled certificate messages\nduring TLS handshake. An attacker could possibly use this issue to bypass\ncertificate verification and insert, edit or obtain sensitive information. This\nissue only affected OpenJDK 11. (CVE-2020-2767)\n\nIt was discovered that OpenJDK incorrectly handled exceptions thrown by\nunmarshalKeyInfo() and unmarshalXMLSignature(). An attacker could possibly use\nthis issue to cause a denial of service while reading key info or XML signature\ndata from XML input. (CVE-2020-2773)\n\nPeter Dettman discovered that OpenJDK incorrectly handled SSLParameters in\nsetAlgorithmConstraints(). An attacker could possibly use this issue to\noverride the defined systems security policy and lead to the use of weak\ncrypto algorithms that should be disabled. This issue only affected\nOpenJDK 11. (CVE-2020-2778)\n\nSimone Bordet discovered that OpenJDK incorrectly re-used single null TLS\nsessions for new TLS connections. A remote attacker could possibly use this\nissue to cause a denial of service. (CVE-2020-2781)\n\nDan Amodio discovered that OpenJDK did not restrict the use of CR and LF\ncharacters in values for HTTP headers. An attacker could possibly use this\nissue to insert, edit or obtain sensitive information. (CVE-2020-2800)\n\nNils Emmerich discovered that OpenJDK incorrectly checked boundaries or\nargument types. An attacker could possibly use this issue to bypass sandbox\nrestrictions causing unspecified impact. (CVE-2020-2803, CVE-2020-2805)\n\nIt was discovered that OpenJDK incorrectly handled application data packets\nduring TLS handshake. An attacker could possibly use this issue to insert,\nedit or obtain sensitive information. This issue only affected OpenJDK 11.\n(CVE-2020-2816)\n\nIt was discovered that OpenJDK incorrectly handled certain regular\nexpressions. An attacker could possibly use this issue to cause a denial of\nservice. (CVE-2020-2830)\n",
"id": "USN-4337-1",
"modified": "2026-02-10T04:41:48Z",
"published": "2020-04-22T15:32:45Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4337-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2754"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2755"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2756"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2757"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2767"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2773"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2778"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2781"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2800"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2803"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2805"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2816"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2020-2830"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "openjdk-8, openjdk-lts vulnerabilities",
"upstream": [
"UBUNTU-CVE-2020-2754",
"UBUNTU-CVE-2020-2755",
"UBUNTU-CVE-2020-2756",
"UBUNTU-CVE-2020-2757",
"UBUNTU-CVE-2020-2767",
"UBUNTU-CVE-2020-2773",
"UBUNTU-CVE-2020-2778",
"UBUNTU-CVE-2020-2781",
"UBUNTU-CVE-2020-2800",
"UBUNTU-CVE-2020-2803",
"UBUNTU-CVE-2020-2805",
"UBUNTU-CVE-2020-2816",
"UBUNTU-CVE-2020-2830"
]
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.