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Because of an implementation bug the PA-RISC CRYPTO_memcmp function is effectively reduced to only comparing the least significant bit of each byte. This allows an attacker to forge messages that would be considered...
3 affected packages
openssl, openssl098, openssl1.0
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
| openssl098 | — | — | — | — |
| openssl1.0 | — | — | — | — |
Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no...
3 affected packages
openssl098, openssl1.0, openssl
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl098 | — | — | — | Not in release |
| openssl1.0 | — | — | — | Fixed |
| openssl | — | — | — | Fixed |
There is an overflow bug in the AVX2 Montgomery multiplication procedure used in exponentiation with 1024-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect...
3 affected packages
openssl098, openssl1.0, openssl
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl098 | — | — | — | Not in release |
| openssl1.0 | — | — | — | Not affected |
| openssl | — | — | — | Fixed |
OpenSSL 1.0.2 (starting from version 1.0.2b) introduced an "error state" mechanism. The intent was that if a fatal error occurred during a handshake then OpenSSL would move into the error state and would immediately fail if you...
1 affected package
openssl
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this...
2 affected packages
openssl, openssl098
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | Fixed |
| openssl098 | — | — | — | Not in release |
While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present...
3 affected packages
openssl, openssl098, openssl1.0
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | Fixed |
| openssl098 | — | — | — | Not in release |
| openssl1.0 | — | — | — | Not affected |
During a renegotiation handshake if the Encrypt-Then-Mac extension is negotiated where it was not in the original handshake (or vice-versa) then this can cause OpenSSL 1.1.0 before 1.1.0e to crash (dependent on ciphersuite). Both...
2 affected packages
openssl, openssl098
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
| openssl098 | — | — | — | — |
In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be...
2 affected packages
openssl, openssl098
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
| openssl098 | — | — | — | — |
In OpenSSL 1.1.0 before 1.1.0c, TLS connections using *-CHACHA20-POLY1305 ciphersuites are susceptible to a DoS attack by corrupting larger payloads. This can result in an OpenSSL crash. This issue is not considered to...
3 affected packages
openssl, openssl098, openssl1.0
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
| openssl098 | — | — | — | — |
| openssl1.0 | — | — | — | — |
In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL...
3 affected packages
openssl, openssl098, openssl1.0
| Package | 24.04 LTS | 22.04 LTS | 20.04 LTS | 18.04 LTS |
|---|---|---|---|---|
| openssl | — | — | — | — |
| openssl098 | — | — | — | — |
| openssl1.0 | — | — | — | — |