xml-conduit up to 1.9.0.0 DOCTYPE Entity Expansion Parse.hs infinite loop
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is some unknown functionality of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE Entity Expansion Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.
The weakness was shared 12/18/2022 as 161. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-4249. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading to version 1.9.1.0 eliminates this vulnerability. The upgrade is hosted for download at hackage.haskell.org. Applying the patch 4be1021791dcdee8b164d239433a2043dc0939ea is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Name
Version
- 0.5.0
- 0.5.0.1
- 0.5.1
- 0.5.1.1
- 0.5.1.2
- 0.5.2
- 0.5.3
- 0.5.3.1
- 0.5.4
- 0.6.0
- 0.6.1
- 0.7.0
- 0.7.0.1
- 0.7.0.2
- 0.7.0.3
- 1.0.0
- 1.0.1
- 1.0.1.1
- 1.0.2
- 1.0.2.1
- 1.0.3
- 1.0.3.1
- 1.0.3.2
- 1.0.3.3
- 1.1.0
- 1.1.0.1
- 1.1.0.2
- 1.1.0.3
- 1.1.0.4
- 1.1.0.5
- 1.1.0.6
- 1.1.0.7
- 1.1.0.8
- 1.1.0.9
- 1.2.0
- 1.2.0.1
- 1.2.0.2
- 1.2.0.3
- 1.2.1
- 1.2.1.1
- 1.2.2
- 1.2.3
- 1.2.3.1
- 1.2.3.2
- 1.2.3.3
- 1.2.4
- 1.2.5
- 1.2.5.1
- 1.2.6
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.3.1
- 1.3.4
- 1.3.4.1
- 1.3.4.2
- 1.3.5
- 1.4.0
- 1.4.0.1
- 1.4.0.2
- 1.4.0.3
- 1.4.0.4
- 1.5.0
- 1.5.1
- 1.6.0
- 1.7.0
- 1.7.0.1
- 1.7.1.0
- 1.7.1.1
- 1.7.1.2
- 1.8.0
- 1.8.0.1
- 1.9.0.0
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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 4.3
CNA Vector (VulDB): 🔍
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: 🔍
Exploiting
Class: Infinite loopCWE: CWE-835 / CWE-404
ATT&CK: T1499
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: xml-conduit 1.9.1.0
Patch: 4be1021791dcdee8b164d239433a2043dc0939ea
Timeline
12/18/2022 🔍12/18/2022 🔍
12/18/2022 🔍
01/15/2023 🔍
Sources
Advisory: 161Status: Confirmed
CVE: CVE-2021-4249 (🔍)
Entry
Created: 12/18/2022 15:44Updated: 01/15/2023 09:17
Changes: 12/18/2022 15:44 (43), 01/15/2023 09:14 (2), 01/15/2023 09:17 (21)
Complete: 🔍
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