Home > Vulnerability Database > CVE-2019-13115

Mend.io Vulnerability Database

CVE-2019-13115

Date: July 15, 2019

In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855.

Language: C

Severity Score

8.1

Related Resources (26)

Url: https://access.redhat.com/security/cve/CVE-2019-13115

Url: https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/

Url: https://support.f5.com/csp/article/K13322484?utm_source=f5support&utm_medium=RSS

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-13115

Url: https://security-tracker.debian.org/tracker/CVE-2019-13115

Url: https://lists.debian.org/debian-lts-announce/2019/07/msg00024.html

Url: https://libssh2.org/changes.html

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/

Url: https://lists.debian.org/debian-lts-announce/2021/12/msg00013.html

Url: https://github.com/libssh2/libssh2/compare/02ecf17...42d37aa

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6LUNHPW64IGCASZ4JQ2J5KDXNZN53DWW/

Url: https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html

Url: https://security.alpinelinux.org/vuln/CVE-2019-13115

Url: https://blog.semmle.com/libssh2-integer-overflow/

Url: https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13115

Url: https://github.com/libssh2/libssh2/pull/350

Url: https://support.f5.com/csp/article/K13322484

Url: https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E

Url: https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M7IF3LNHOA75O4WZWIHJLIRMA5LJUED3/

Url: http://packetstormsecurity.com/files/172834/libssh2-1.8.2-Out-Of-Bounds-Read.html

Url: https://security.netapp.com/advisory/ntap-20190806-0002/

Url: https://support.f5.com/csp/article/K13322484?utm_source=f5support&%3Butm_medium=RSS

Url: https://www.mend.io/vulnerability-database/CVE-2019-13115

Severity Score

8.1

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2019-13115

Date: July 15, 2019

Language: C

Severity Score

Related Resources (26)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

Do you need more information?