USN-5546-2: OpenJDK 8 vulnerabilities

Related Vulnerabilities: CVE-2022-21449   CVE-2022-21426   CVE-2022-21434   CVE-2022-21443   CVE-2022-21476   CVE-2022-21496   CVE-2022-21540   CVE-2022-21541   CVE-2022-21549   CVE-2022-34169  

Several security issues were fixed in OpenJDK 8.

Neil Madden discovered that OpenJDK did not properly verify ECDSA signatures. A remote attacker could possibly use this issue to insert, edit or obtain sensitive information. This issue only affected OpenJDK 17 and OpenJDK 18. (CVE-2022-21449)

Details

USN-5546-1 fixed vulnerabilities in OpenJDK.
This update provides the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Neil Madden discovered that OpenJDK did not properly verify ECDSA
signatures. A remote attacker could possibly use this issue to insert,
edit or obtain sensitive information. This issue only affected OpenJDK
17 and OpenJDK 18. (CVE-2022-21449)

It was discovered that OpenJDK incorrectly limited memory when compiling a
specially crafted XPath expression. An attacker could possibly use this
issue to cause a denial of service. This issue was fixed in OpenJDK 8 and
OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11
and OpenJDK 17. (CVE-2022-21426)

It was discovered that OpenJDK incorrectly handled converting certain
object arguments into their textual representations. An attacker could
possibly use this issue to cause a denial of service. This issue was
fixed in OpenJDK 8 and OpenJDK 18. USN-5388-1 and USN-5388-2 addressed
this issue in OpenJDK 11 and OpenJDK 17. (CVE-2022-21434)

It was discovered that OpenJDK incorrectly validated the encoded length of
certain object identifiers. An attacker could possibly use this issue to
cause a denial of service. This issue was fixed in OpenJDK 8 and OpenJDK 18.
USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11 and OpenJDK 17.
(CVE-2022-21443)

It was discovered that OpenJDK incorrectly validated certain paths. An
attacker could possibly use this issue to bypass the secure validation
feature and expose sensitive information in XML files. This issue was
fixed in OpenJDK 8 and OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this
issue in OpenJDK 11 and OpenJDK 17. (CVE-2022-21476)

It was discovered that OpenJDK incorrectly parsed certain URI strings. An
attacker could possibly use this issue to make applications accept
invalid of malformed URI strings. This issue was fixed in OpenJDK 8 and
OpenJDK 18. USN-5388-1 and USN-5388-2 addressed this issue in OpenJDK 11
and OpenJDK 17. (CVE-2022-21496)

It was discovered that OpenJDK incorrectly generated class code in the
Hotspot component. An attacker could possibly use this issue to obtain
sensitive information. (CVE-2022-21540)

It was dicovered that OpenJDK incorrectly restricted access to the
invokeBasic() method in the Hotspot component. An attacker could possibly
use this issue to insert, edit or obtain sensitive information.
(CVE-2022-21541)

It was discovered that OpenJDK incorrectly computed exponentials. An
attacker could possibly use this issue to insert, edit or obtain sensitive
information. This issue only affected OpenJDK 17.
(CVE-2022-21549)

It was discovered that OpenJDK includes a copy of Xalan that incorrectly
handled integer truncation. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2022-34169)