CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
A vulnerability classified as very critical was found in Botan up to 1.10.10/1.11.26. Affected by this vulnerability is the function PointGFp
. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Integer overflow in the PointGFp constructor in Botan before 1.10.11 and 1.11.x before 1.11.27 allows remote attackers to overwrite memory and possibly execute arbitrary code via a crafted ECC point, which triggers a heap-based buffer overflow.
The weakness was released 05/13/2016 (Website). It is possible to read the advisory at debian.org. This vulnerability is known as CVE-2016-2195 since 01/29/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2022).
The vulnerability scanner Nessus provides a plugin with the ID 89488 (Fedora 22 : botan-1.10.12-1.fc22 / code-editor-2.8.1-13.fc22 / monotone-1.1-13.fc22 / etc (2016-1c08d77b96)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169971 (SUSE Enterprise Linux Security Update for Botan (SUSE-SU-2017:1222-1)).
Upgrading to version 1.10.11 or 1.11.17 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (89488). Entries connected to this vulnerability are available at 87359, 87364, 87365 and 87366.
Product
Name
Version
- 1.10.0
- 1.10.1
- 1.10.2
- 1.10.3
- 1.10.4
- 1.10.5
- 1.10.6
- 1.10.7
- 1.10.8
- 1.10.9
- 1.10.10
- 1.11.0
- 1.11.1
- 1.11.2
- 1.11.3
- 1.11.4
- 1.11.5
- 1.11.6
- 1.11.7
- 1.11.8
- 1.11.9
- 1.11.10
- 1.11.11
- 1.11.12
- 1.11.13
- 1.11.14
- 1.11.15
- 1.11.16
- 1.11.17
- 1.11.18
- 1.11.19
- 1.11.20
- 1.11.21
- 1.11.22
- 1.11.23
- 1.11.24
- 1.11.25
- 1.11.26
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 89488
Nessus Name: Fedora 22 : botan-1.10.12-1.fc22 / code-editor-2.8.1-13.fc22 / monotone-1.1-13.fc22 / etc (2016-1c08d77b96)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 65235
OpenVAS Name: Mageia Linux Local Check: mgasa-2016-0102
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Botan 1.10.11/1.11.17
Timeline
01/29/2016 🔍02/29/2016 🔍
03/04/2016 🔍
05/13/2016 🔍
05/13/2016 🔍
05/16/2016 🔍
08/19/2022 🔍
Sources
Advisory: FEDORA-2016-1c08d77b96Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-2195 (🔍)
OVAL: 🔍
See also: 🔍
Entry
Created: 05/16/2016 09:40Updated: 08/19/2022 13:07
Changes: 05/16/2016 09:40 (62), 11/26/2018 10:09 (11), 08/19/2022 13:07 (3)
Complete: 🔍
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